Diogenes of Sinopewas a Greek philosopher and one of the founders of Cynic philosophy. Also known as Diogenes the Cynic, he was born in Sinope, an Ionian colony on the Black Sea, in 412 or 404 BC and died at Corinth in 323 BC... (wikipedia)
When the slave auctioneer asked in what he was proficient, he replied, "In ruling people .
When I look upon seamen, men of science and philosophers, man is the wisest of all beings; when I look upon priests and prophets nothing is as contemptible as man.
No man is hurt but by himself. ...Literally by how he interprets what happens to him. If he focusses on how it could have been better, he will be hurt. If he focusses on how it could have been worse, he will be happy. The same is true for women too.
Plato had defined Man as an animal, biped and featherless, and was applauded. Diogenes plucked a fowl and brought it into the lecture-room with the words, "Here is Plato's man.
It is not that I am mad, it is only that my head is different from yours.
Blushing is the color of virtue.
He lit a lamp in broad daylight and said, as he went about, "I am looking for a human .
I pissed on the man who called me a dog. Why was he so surprised?
Education gives sobriety to the young, comfort to the old, riches to the poor and is an ornament to the rich.
I am Diogenes the Dog. I nuzzle the kind, bark at the greedy and bite scoundrels.
Being asked whether it's better to marry or not, he (Socrates) replied, "Whichever you do you will repent it
Diogenes, when asked from what country he came, replied, "I am a citizen of the world
Aristotle was asked how much educated men are superior to the uneducated: "As much," said he, "as the living are to the dead