In anger we should refrain both from speech and action.

Rational discussion is useful only when there is a significant base of shared assumptions.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

You laugh at me because I'm different, I laugh at you because you're all the same.

Nobody has the power to take two steps together; you can take only one step at a time.

It is not the strength, but the duration, of great sentiments that makes great men.

You have heard that it was said, 'Eye for eye, and tooth for tooth.' But I tell you, do not resist an evil person. If someone strikes you on the right cheek, turn to him the other also.

The heart has its reasons which reason knows not.

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

Every act of creation is first an act of destruction.

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.

It was a melancholy secret that reality can arouse desires but never satisfy them.

Courage, above all things, is the first quality of a warrior.

Choose rather to be strong of soul than strong of body.

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

What's done can't be undone.

I write with experiences in mind, but I don't write about them, I write out of them.

There's no sense in being precise when you don't even know what you're talking about.

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

The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.

Great dreams of great dreamers are always transcended.