It is one thing to remember, another to know. To remember is to safeguard something entrusted to the memory. But to know is to make each thing one's own, not depend on the text and always to look back to the teacher. "Zeno said this, Cleanthes said this." Let there be space between you and the book.

That which Fortune has not given, she cannot take away.

It is often better not to see an insult than to avenge it.

He invites the commission of a crime who does not forbid it, when it is in his power to do so.

The man who thinks only of his own generation is born for few.

What's the good of dragging up sufferings which are over, of being unhappy now just because you were then.

A disease is farther on the road to being cured when it breaks forth from concealment and manifests its power.