A woman who went through her first earthquake in California said, as it was happening, "I think a train just hit our apartment building. I think our foundation is gone. We better pray."

A faithquake is something like an earthquake. Something comes along and shakes us up. Something shakes our very foundations. Through the foundation-shaking event, we want to know more about God and faith.

Something like that is going on in our gospel. The apostles cried out, "Increase our faith" (Luke 17:5). In the front side context of this verse we hear the foundation-shaking words of Jesus about forgiveness which prompted this cry for more faith.

"Be on guard! If another disciple sins, you must rebuke the offender, and if there is repentance, you must forgive. And if the same person sins against you s…