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!

The only way to deep happiness is to do something you love to the best of your ability

We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.

The first principle is that you must not fool yourself and you are the easiest person to fool.

Science alone of all the subjects contains within itself the lesson of the danger of belief in the infallibility of the greatest teachers of the preceding generation.

It is simple, therefore it is beautiful

Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.