Whoever thinks much and to good purpose easily forgets his own experiences, but not the thoughts which these experiences have called forth.

That which does not kill us makes us stronger.

There is always madness in love. But there is also always some reason in madness.

Sometimes people don't want to hear the truth because they don't want their illusions destroyed.

There are two different types of people in the world, those who want to know, and those who want to believe.

I was in darkness, but I took three steps and found myself in paradise. The first step was a good thought, the second, a good word; and the third, a good deed.

There will always be rocks in the road ahead of us. They will be stumbling blocks or stepping stones; it all depends on how you use them.

You have your way. I have my way. As for the right way, the correct way, and the only way, it does not exist.

I'm not upset that you lied to me, I'm upset that from now on I can't believe you.

Enjoy life. This is not a dress rehearsal.

The true man wants two things: danger and play. For that reason he wants woman, as the most dangerous plaything.

Business is a basketball game. The more tricks you know, the more points you score.

What did the Romans say? “De gustibus non est disputandum”: It is worthless to discuss personal taste. It is called 'personal' for a reason.

U2 is an original species... there are colours and feelings and emotional terrain that we occupy that is ours and ours alone.

TV, in particular cable channels, has assumed the role of independent film.

The lofty pine is most easily brought low by the force of the wind, and the higher the tower the greater the fall thereof.

I’m keeping my opinions to myself, they just get me in trouble.

Tension is anticipation and uncertainty. Every art has to have it.

I wondered why people consider escapism so bad, even the escapism on display right then. At first it might appear unseemly, but in the end its lack of pretension gives it its own sort of beauty.

[Campaign sign when running for Congress in 1967:] Vote for me or I will hold my breath until I turn blue.

I'm not going to doubt my life.