Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.

If you do not know the laws of right conduct, you cannot form your character.

There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

Intelligence is a moral category.

Good means not merely not to do wrong, but rather not to desire to do wrong.

Judge not unless you judge yourself.

What's done can't be undone.

When I stand before God at the end of my life, I would hope that I would not have a single bit of talent left, and could say, 'I used everything you gave me'.

Wise men speak because they have something to say; Fools because they have to say something.

I am a lover of truth, a worshipper of freedom, a celebrant at the altar of language and purity and tolerance.

Don't criticize what you can't understand.

Without courage, wisdom bears no fruit.

If you're happy, don't worry you'll get over it.

The weak can never forgive. Forgiveness is the attribute of the strong.

The only limit to our realization of tomorrow will be our doubts of today.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

If you are neutral in situations of injustice, you have chosen the side of the oppressor.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.