What I can't create I don't understand

The test of all knowledge is experiment.

For far more marvelous is the truth than any artists of the past imagined it. Why do the poets of the present not speak of it? What men are poets who can speak of Jupiter if he were a man, but if he is an immense spinning sphere of methane and ammonia must be silent?

Physicists like to think that all you have to do is say, these are the conditions, now what happens next?

Don't worry about anything. Go out and have a good time.

Progress in science comes when experiments contradict theory.

Fall in love with some activity, and do it! Nobody ever figures out what life is all about, and it doesn't matter.