642 Quotes by Richard P. Feynman

Einstein was a giant. His head was in the clouds, but his feet were on the ground. But those of us who are not that tall have to choose!

When things are going well, something will go wrong. / When things just can't get any worse, they will. / Anytime things appear to be going better, you have overlooked something.

Trying to understand the way nature works involves a most terrible test of human reasoning ability. It involves subtle trickery, beautiful tightropes of logic on which one has to walk in order not to make a mistake in predicting what will happen. The quantum mechanical and the relativity ideas are examples of this.

It's because somebody knows something about it that we can't talk about physics. It's the things that nobody knows anything about we can discuss.

It is not unscientific to make a guess, although many people who are not in science think it is.

To not know math is a severe limitation to understanding the world.

It is important to realize that in physics today, we have no knowledge of what energy is

I was terrible in English. I couldn't stand the subject. It seemed to me ridiculous to worry about whether you spelled something wrong or not, because English spelling is just a human convention--it has nothing to do with anything real, anything from nature. Any word can be spelled just as well a different way.

The same equations have the same solutions