To aim at the best and to remain essentially ourselves is one and the same thing

To be what we are, and to become what we are capable of becoming, is the only end in life.

The aim of an argument or discussion should not be victory, but progress.

You must grow like a tree, not like a mushroom.

There ought to be so many who are excellent, there are so few.

The hard thing is to stick to things when you have outlived the first interest, and not yet got the second which comes with a sort of mastery.