Those who have virtue always in their mouths, and neglect it in practice, are like a harp, which emits a sound pleasing to others, while itself is insensible of the music.
Source: In Wisdom of the Ages at Your Fingertips, MCR software, 1995.
-- Diogenes, ( 412BC-323BC), Greek philosopher; He was a cynic usually depicted with a lantern in search of honest man.