It was a favourite expression of Theophrastus that time was the most valuable thing that a man could spend.
A man once asked Diogenes what was the proper time for supper, and he made answer, If you are a rich man, whenever you please; and if you are a poor man, whenever you can.
Anaxagoras said to a man who was grieving because he was dying in a foreign land, The descent to Hades is the same from every place.
Aristippus said that a wise man's country was the world.
Of a rich man who was niggardly he said, That man does not own his estate, but his estate owns him.
The question was put to him, what hope is; and his answer was, The dream of a waking man.
One of the sayings of Diogenes was that most men were within a finger's breadth of being mad; for if a man walked with his middle finger pointing out, folks would think him mad, but not so if it were his forefinger.
Diogenes lighted a candle in the daytime, and went round saying, I am looking for a man.
When asked what he would take to let a man give him a blow on the head, he said, A helmet.
When a man reproached him for going into unclean places, he said, The sun too penetrates into privies, but is not polluted by them.
Diogenes said once to a person who was showing him a dial, It is a very useful thing to save a man from being too late for supper.
It takes a wise man to discover a wise man.