When asked what learning was the most necessary, he said, “Not to unlearn what you have learned!”

Courage, my boy! that is the complexion of virtue.

As some say, Solon was the author of the apophthegm, "Nothing in excess.

There is a written and an unwritten law. The one by which we regulate our constitutions in our cities is the written law; that which arises from customs is the unwritten law.

Bury me on my face," said Diogenes; and when he was asked why, he replied, "Because in a little while everything will be turned upside down.

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.

Diogenes, when asked from what country he came, replied, "I am a citizen of the world."

He used to say that it was better to have one friend of great value than many friends who were good for nothing.

Sacrifice to the Graces.

Antisthenes used to say that envious people were devoured by their own disposition, just as iron is by rust.

Aristippus being asked what were the most necessary things for well-born boys to learn, said, "Those things which they will put in practice when they become men.

The world has become a much smaller place, there is no longer room for hatred.

Still we remain, still we fight. Still we strive, still we survive.

I'm trusting in the Lord and a good lawyer.

Today might not be so good. But tomorrow, you got another chance to get it right.

If you're good at something, never do it for free.

A true Englishman doesn't joke when he is talking about so serious a thing as a wager.

She wanted, with her fickleness, to make my destruction constant; I want, by trying to destroy myself, to satisfy her desire.

They've finally come up with the perfect office computer. If it makes a mistake, it blames another computer.

To deliberately criticise another individual may cause an indelible stain on the critic.

One illusion is as good as another.