The mark of highest originality lies in the ability to develop a familiar idea so fruitfully that it would seem no one else would ever have discovered so much to be hidden in it.

For many people, one of the most frustrating aspects of life is not being able to understand other people's behavior.

We must be young to do great things.

In happy ignorance, I sighed for a world I did not know, where I hoped to find every pleasure and enjoyment which my heart could desire; and now, on my return from that wide world... how many disappointed hopes and unsuccessful plans have I brought back!

Excellence is rarely found, more rarely valued.

Whatever you cannot understand, you cannot possess.

There are people who make no mistakes because they never wish to do anything worth doing.