Well-Known evangelist D.L. Moody was hosting a Bible Conference in Massachusetts in the late 1800s. Many of the participants came from Europe. Following the European custom of the time, they left their shoes outside their rooms to be cleaned by the hall servants overnight. They did not know that there were no hall servants in America. Walking down the dormitory halls that night, Moody noticed the shoes and determined not to embarrass his guests. He gathered up the shoes, went to his room, and began to clean and polish the shoes. Only the unexpected arrival of a friend in the midst of the work revealed the secret. The following morning the foreign visitors opened their doors and found their shoes shined. They did not know by whom. Moody told no one, but his friend told a few people, and during the rest of the conference, a different person volunteered to shine the shoes in secret each night.
This story is a good example of what we are asked to do in today's gospel: "So you also, when you have done all that is commanded you, say, 'We are unworthy servants; we have only done what was our duty'" (Luke 17:10).