"The Gospel According to Luke" is a song co-written and recorded by American country music artist Skip Ewing.
The song reached number 10 on the Billboard Hot Country Singles & Tracks chart.
Despite his haggard appearance, strong odor from not having bathed or showered, and rough voice, he is adept at interpreting and preaching the Bible, particularly Gospel of Luke in the New Testament.
Luke is seen giving the meager change he had collected during the past week, explaining that the needs of the mission and helping others were more important than his own wants or needs.
In essence, the young man had witnessed a modern-day version of the lesson of the widow's mite (as told in both Luke 21:1-4 and Mark 12:41-44), where an elderly widow gives two mites -- the smallest Roman coin, implied to be her entire net worth -- to the offering and that the giving was in true sacrifice.