There are no eternal facts, as there are no absolute truths.

There is a wisdom of the head, and... there is a wisdom of the heart.

Never do anything when you are in a temper, for you will do everything wrong.

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.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

The most courageous act is still to think for yourself. Aloud.

Never argue with an idiot. They drag you down to their level and then beat you with experience.

The greatest of all mistakes is to do nothing because you think you can only do a little

One of the truest tests of integrity is its blunt refusal to be compromised.

Man is not the creature of circumstances, Circumstances are the creatures of men.

If you don't like someone's story, write your own.

Only idiots refuse to change their minds.

Common sense is in spite of, not as the result of education.

To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

Not everything that can be counted counts, and not everything that counts can be counted.

The first method for estimating the intelligence of a ruler is to look at the men he has around him.

It's not a question of learning much.On the contrary.It's a question of UNLEARNING much.

Admiration is the daughter of ignorance.

He alone is free who lives with free consent under the entire guidance of reason.

Never ruin an apology with an excuse.

Better beggar woman and single than Queen and married.