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.
Anarcharsis, on learning that the sides of a ship were four fingers thick, said that the passengers were just that distance from death.
Old age is the harbor of all ills.
Another of his sayings was, that education was the best viaticum of old age.
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.