Greek philosopher, founder of the Cynic school, who taught that only the good was virtue, won by self-control and independence from worldly needs
Extract from The Penguin History of Greece by A.R.Burn, © 1969-85:
.... Antisthenes, who imitated, perhaps with exaggeration, Socrates austerity....
[Note: the author of the above book is not at all sympathetic to vegetarianism, though even he has to acknowledge it. However it is a useful introduction to the general history of the era - ed.]