If one knows only what one is told, one does not know enough to be able to arrive at a well-balanced decision.

You never know, this could be my last one, ... Not because I want it to be, but who knows what can happen in life? So each time that I get farther and do better, yeah, it means a lot more to me now than before.

A scientist's aim in a discussion with his colleagues is not to persuade, but to clarify.

If you want to succeed in the world, you don't have to be much cleverer than other people. You just have to be one day earlier.

Don't lie if you don't have to.

Do your work for six years; but in the seventh, go into solitude or among strangers, so that the memory of your friends does not hinder you from being what you have become.