The real problem in speech is not precise language. The problem is clear language. The desire is to have the idea clearly communicated to the other p… - Richard Feynman

They didn't put two and two together. They didn't even know what they knew. I don't know what's the matter with people, they don't learn by understanding; they learn by some other way — by rote, or something. Their knowledge is so fragile!

There's a kind of saying that you don't understand its meaning, 'I don't believe it. It's too crazy. I'm not going to accept it.'… You'll have to accept it. It's the way nature works. If you want to know how nature works, we looked at it, carefully. Looking at it, that's the way it looks. You don't like it? Go somewhere else, to another universe where the rules are simpler, philosophically more pleasing, more psychologically easy. I can't help it, okay? If I'm going to tell you honestly what the world looks like to the human beings who have struggled as hard as they can to understand it, I can only tell you what it looks like.

In fact the total amount that a physicist knows is very little. He has only to remember the rules to get him from one place to another and he is all right...