No man has a good enough memory to be a successful liar.

If you hate a person, you hate something in him that is part of yourself. What isn't part of ourselves doesn't disturb us.

The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

If you judge investigate.

Life seems but a quick succession of busy nothings.

He who molds the public sentiment... makes statutes and decisions possible or impossible to make.

What you're supposed to do when you don't like a thing is change it. If you can't change it, change the way you think about it. Don't complain.

It is curious that physical courage should be so common in the world, and moral courage so rare.

Nothing will come of nothing.

Am I not destroying my enemies when I make friends of them?

Everybody likes a compliment.

The beginning of wisdom, as they say. When you're seventeen you know everything. When you're twenty-seven, if you still know everything, you're still seventeen.

All generalizations are false including this one.

...for the lesser evil is reckoned a good, in comparison with the greater evil, since the lesser evil is rather to be chosen, than the greater...

Never let your sense of morals prevent you from doing what's right.

Turn your wounds into wisdom.

An investment in knowledge pays the best interest.

We do not really feel grateful toward those who make our dreams come true, they ruin our dreams.

Never tell the truth to people who are not worthy of it.

He who knows others is wise. He who knows himself is enlightened.