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.
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About Diogenes
Diogenes was philosopher creator of cynicism. Diogenes the Cynic, also known as Diogenes of Sinope, was an ancient Greek philosopher during the period of Classical Greece, and one of the founders of Cynicism. Read more on Wikipedia →