When you judge another, you do not define them, you define yourself.
Judge a man by his questions rather than by his answers.
In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.
All the great things are simple, and many can be expressed in a single word: freedom; justice; honor; duty; mercy; hope.
Immoderate desire is the mark of a child, not a man.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.
Each problem that I solved became a rule which served afterwards to solve other problems.
The smaller the mind, the greater the conceit.
Reality leaves a lot to the imagination.
I have no desire to make windows into mens souls
It has seemed to be more necessary to have regard to the weight of words rather than to their number.
It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.
There are two educations. One should teach us how to make a living and the other how to live.
What can't be cured must be endured.
Obsession is the wellspring of genius and madness.
If you would take, you must first give, this is the beginning of intelligence.
Better beggar woman and single than Queen and married.
Wisdom begins at the end.
Good advice is always certain to be ignored, but that's no reason not to give it.
If you're happy, don't worry you'll get over it.