Luke 17:1-10 · Sin, Faith, Duty
A Faith to Move Mountains
Luke 17:1-10
Sermon
by King Duncan
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A man named Adrian Plass authored what he calls his Sacred Diary. In it, he tells how he once bought a book on faith that told him that real Christians should be able to move mountains by faith. So he decided to try it. He practiced with a paper clip. He put it on his desk and willed it to move. Nothing happened. He tried commanding it in a loud voice. Still nothing happened.

He tried it again the next day. The paper clip still wouldn’t budge. He even promised God he would change his life if the clip would move just a little. Still nothing.

A few days later he got up early in the morning to have one last go at that paper clip. He concentrated as hard as he could and ended up hissing loudly at the paper clip, but nothing worked. He was a failure. How would he ever move a mountain with his faith if he couldn’t move a mere paper clip? Finally giving up, he opened the door of his study to find his wife and son outside listening in their night-clothes, looking quite distressed. His wife said, “Darling, why didn’t you tell that paper clip you’d straighten it out for evermore if it didn’t get its act together?” (1)

People are amazing, aren’t they? Someone needs to explain to this dear brother the difference between faith and telekinesis. Telekinesis is the alleged ability to move and bend objects with your mind. In days past it was a favorite tool of would-be psychics and mediums. Examined closely, it was revealed to be nothing more than a magic trick. There seems to be no such things as telekinesis, in case any of you want to try it for yourself when you get home. By the way, you can go on the Internet and find sites that will supposedly teach you how to perform telekinesis. It works to one extent. Magically they will remove money from your wallet. There is a difference between telekinesis and faith.

Where did this idea come from that if you have enough faith, you can move mountains? It comes, of course, from a teaching of Jesus. We find it just after the strange little story of Jesus cursing the fig tree.

Matthew tells us that it was early in the morning.  Jesus was on his way back to the city and he was hungry. There was no fast food place where he could run through a drive-through. Seeing a fig tree by the road, he went up to it but he found nothing on it except leaves. Then he said to it, “May you never bear fruit again!” Immediately the tree withered.

When the disciples saw this, they were amazed. “How did the fig tree wither so quickly?” they asked.

Jesus replied, “Truly I tell you, if you have faith and do not doubt, not only can you do what was done to the fig tree, but also you can say to this mountain, ‘Go, throw yourself into the sea,’ and it will be done” (Matthew 21: 19-21).

Hey, why settle for moving a paper clip when you can move a mountain? That, of course, was Jesus’ metaphorical way of saying that with faith you can do amazing things. The disciples saw Jesus do amazing things. Now he was instructing them in the things he needed them to do after he was gone. This worried the disciples. How could they possibly do any of the things that he was telling him to do? Maybe he had faith to move mountains, but certainly they did not. They were still spiritual infants. Metaphorically, they couldn’t move a paper clip much less a mountain.

And so in Luke’s gospel we read that the apostles came to the Master and said, “Increase our faith!” It sounds to me almost like a desperate plea. “Hey, Lord. You’re asking us to love people we would normally hate. You’re asking us to forgive people who have hurt us time and time again. You’re asking us to feed the hungry and to work for justice in the world. Master, we’re not you. How can we move the mountains all around us when we haven’t got a thimble full of faith among us all?

Jesus replied, “If you have faith as small as a mustard seed, you can say to this mulberry tree, ‘Be uprooted and planted in the sea,’ and it will obey you.”

What did Jesus mean by “faith as small as a mustard seed?” The mustard seed was known for its small size, yet it grew to be one of the largest bushes.  Picture a mustard seed lying in your hand. It is very small. Yet imagine the potential for growth. Faith is like that, said Jesus.

I recently read a story about Olga Deane, a famous Australian entertainer, socialite and show business personality. Her scrapbooks are in the Australian National Museum as a significant part of that country’s show business history.

Olga Deane was known as “The Mustard Seed Lady.” Throughout the last 30 years of her life she was so transformed by faith in Jesus Christ that she made it a habit to write cards to prominent public persons in Australian society, and she would tape a mustard seed to each card! She wrote to those people whenever they were facing problems or difficulties with these words of promise from the Master: “If you have faith as small as a mustard seed . . .” (2)

What is this faith that has so much power?

Someone has defined faith as believing the dentist when he says it isn’t going to hurt. Well, yes, but the faith that Jesus was describing is so much more than that.

J. G. Stipe once said that, “Faith is like a toothbrush. Every man should have one and use it regularly, but he shouldn’t try to use someone else’s.” Well, that’s kind of a yucky analogy, but there is truth there as well.

But really what is faith? Is it an attitude? Is it the same thing as positive thinking?

Attitude is important. Our attitudes can change our perception of reality and they can help us deal with reality in a more effective way. By changing our attitude, we can change our level of confidence, which can help steady us when we’re facing a difficult assignment.

Coaches understand that. The story’s told about much-beloved basketball coach Jim Valvano who was seeking to lead his North Carolina State team to the 1983 championship of the ACC. Freshman Lorenzo Charles was going to the free throw line in the closing seconds. Valvano called time out. “After Lo hits these two free throws,” Valvano said to his team, “I want us to guard the inbound pass . . .”

The team broke from the huddle and walked toward the free-throw lane. At the last second, Coach Valvano is rumored to have pulled point guard Sidney Lowe aside and whispered, “If Lo misses these two shots . . .” and he proceeded to tell him what to do in that case.

It is clear that Valvano did not want to plant the idea in Lorenzo Charles’ mind that he might miss even though Charles was only a 67% shooter. He knew the freshman needed a shot of confidence. And so he said, “After Lo hits these two free throws . . .”

Well, Charles’ first attempt missed the rim it wasn’t even close. But his second shot fell through the net. N. C. State won the game and went on to win the national championship. (3)

Maybe his coach’s positive affirmation helped Lorenzo Charles at that critical moment. Who knows? Studies have shown that attitudes are powerful. Attitudes can be life-changing even when they are misguided.

There is an old story about a man who walked with a cane. One time some of his mischievous friends snuck his cane away from him and cut about 1/4” off of it. When he didn’t seem to notice, they kept doing it 1/4” off of it each day. They kept doing this for a month or so.  One day they saw him and they noticed he was real restless. He finally got up the courage to say, “You guys may think I am crazy, but I think I am getting taller!”

Well, he wasn’t getting taller. His cane was simply getting shorter. His perception had been changed, but not his reality. Jesus was talking about something much more powerful than a changed attitude . . . Though having a changed attitude is an important part of authentic faith.

Pastor Lee Barstow tells a wonderful story about a man who was driving home from work one day. He came upon the crest of a hill and beheld the most beautiful sunset he’d ever seen. He was so moved by the sight that he pulled over and got out of his car to better take it in.

A couple of minutes later, another driver was also captivated by the beauty of the sunset, and he too stopped his car to sit and drink in the beauty. Emerging from his car he remarked to the first man that the sight was amazing.

The first man agreed and they sat there for a few minutes in rapturous wonder.

“This is happening because the sun is low,” said the second man, “and so the light has to make its way through more atmosphere. As it does, it refracts into colors, kind of like a rainbow.”

The first man was annoyed by the second man’s explanation. “Actually,” he said, “It’s not really refraction. The water droplets in the air act like prisms, and this is what causes the colors.”

“But I read about this last year in National Geographic,” said the second man, “and it called it refraction. The article said the atmosphere acts like a colored filter covering a stage light in a theater.”

The two went on like this for some time. By the time they looked up again, the glory of the sunset had passed.

How different that story would have been, says Pastor Barstow, if the two had avoided talking about the external facts about rainbows and had instead focused on their own internal experience. Imagine the second man saying, “Boy, I really needed this. I had an awful day at work, and this is reminding me there is more to life than that argument I had with my co-worker just before I left.”

“Yeah,” says the first man, “I was not looking forward to going home, and the sunset made me think of an amazing sunset my wife and I saw during our honeymoon. Now I’m looking forward to telling her about it.” They could have then turned to watch the sunset slowly fade, and leave each other with fond goodbyes. (4)

In Pastor Barstow’s two scenarios we have the same sunset, but in the first one it leads to a mild argument. In the second, it leads to some positive feelings and perhaps some positive changes in life situations. Positive attitudes are important.

But what is it that makes positive attitudes sustainable? Positive attitudes ultimately are the result of a confidence about life that comes from one source being grounded in faith that the universe is friendly, because behind this universe there is a loving God.

In the book 450 Stories for Life, Gust Anderson tells about visiting a church in a farming community of eastern Alberta, Canada, where there had been 8 years of drought. The farmers were deep in debt, and their economic situation looked hopeless. In spite of their poverty, however, many of them continued to meet together to worship and praise God.

Anderson was especially impressed by the testimony of one of these farmers. Dressed in overalls and an old coat the best clothes he had this man stood up and quoted Habakkuk 3:17-18. With deep meaning he recited the words from the Hebrew Bible: “Although the fig tree shall not blossom, neither shall fruit be in the vines; the labor of the olive shall fail, and the fields shall yield no food; the flock shall be cut off from the fold, and there shall be no herd in the stalls; yet I will rejoice in the Lord, I will joy in the God of my salvation.”

That dear saint, thought Anderson, has found the secret of real joy! (5)

Joy comes from more than a positive attitude. Can a positive attitude be sustained through endless years of poor crops? I doubt it. Sooner or later we will, as we say, have to face reality. But faith in a loving God is reality. If we are grounded in the knowledge that, regardless of our circumstances, God will not forget us or forsake us, we can endure any hardship, overcome any obstacle. And should we feel called by God to turn the world upside down, then we will discover what real faith and real power is.

Martin Luther King, Jr., a man who did turn this world upside down, understood that. In his last address before his death he issued this triumphant statement of faith, “And I’ve seen the Promised Land. And I may not get there with you. But I want you to know tonight that we as a people will get to the Promised Land. So I’m happy tonight. I’m not worried about anything. I’m not fearing any man. Mine eyes have seen the glory of the coming of the Lord. I have a dream this afternoon that the brotherhood of man will become a reality. With this faith I will go out and carve a tunnel of hope from a mountain of despair. . . .With this faith, we will be able to achieve this new day, when all of God’s children‑‑black men and white men, Jews and Gentiles, Protestants and Catholics‑‑will be able to join hands and sing with the Negroes in the spiritual of old, “Free at last! Free at least! . . . Thank God almighty we are free at last.”

Some of you who remember the days of segregation in this country know what an enormous mountain that was. Dr. King and the other civil rights workers did not think that mountain out of existence, someone has said, they prayed it out of existence. It was their faith in God not their faith in themselves that proved triumphant.

Jesus wanted his disciples to understand that faith is a powerful force. The disciples, though, felt their faith was too weak to ever accomplish all the things Jesus was asking them to accomplish. Jesus assured them they did have enough faith they simply needed to exercise their faith and trust God. What really mattered was not the size of their faith, but the size of their God. A little faith in a great God will change the world.

Faith is a matter of aligning our lives with the purposes of God in the same way that a free-hanging bar magnet will align itself with the magnetic pulls of the North and South Poles. What kind of world does God want? Deep in your heart you know a world where everyone lives in peace and harmony and dignity together. And that is the kind of world we will one day have. It is inevitable. God’s kingdom is coming the kingdom of justice and righteousness, the kingdom of peace and love. If you want to see mountains moved, or mulberry trees thrown into the sea, align yourself with the purposes of God. Again, it has nothing to do with the size of our faith, but the size of our God.

The apostles said to the Lord, “Increase our faith!”

Jesus replied, “If you have faith as small as a mustard seed, you can say to this mulberry tree, ‘Be uprooted and planted in the sea,’ and it will obey you.”

How about it, my friend? Could you have just a little bit of faith in the God of Jesus? If so, then get ready for miracles. Mountains, mulberry trees, even paper clips if that is what God desires, will one day be moved.


1. Derek Frank, http://www.ebcg.ch/sermons/070826.htm.

2. Gordon Moyes, http://www.gordonmoyes.com/sermon_archive/ministry/tra/2003/030504.html.

3. Eddie Jones, My Father’s Business: 30 Inspirational Stories for Finding God’s Will For Your Life (Kindle edition 2012).

4. http://www3.amherst.edu/~bcbarstow/blog/Sermon2009-09-27.pdf.

5. Illusaurus.

ChristianGlobe Networks, Inc., Dynamic Preaching Fourth Quarter 2013, by King Duncan