A mistake is always forgivable, rarely excusable and always unacceptable.
The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.
I think, therefore I am.
There is nothing more uncommon than common sense.
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.
The lie is a condition of life.
No one can make you feel inferior without your consent.
Man is the only creature who refuses to be what he is.
The only way to get the best of an argument is to avoid it.
Anywhere you go in the world is what you make of it, not what you read in books.
When you judge another, you do not define them, you define yourself.
Be sure you put your feet in the right place, then stand firm.
Intelligence is the ability to adapt to change.
Do not say a little in many words, but a great deal in few!
Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.
Wise men speak because they have something to say; Fools because they have to say something.
Jealousy is the tribute mediocrity pays to genius.
The only limit to our realization of tomorrow will be our doubts of today.
Where you stand depends on where you sit.
We never see ourselves as others see us.
Man is not the creature of circumstances, Circumstances are the creatures of men.