Victory usually goes to those green enough to underestimate the monumental hurdles they are facing.

You have no responsibility to live up to what other people think you ought to accomplish. I have no responsibility to be like they expect me to be. It's their mistake, not my failing.

Words can be meaningless. If they are used in such a way that no sharp conclusions can be drawn.

We have this terrible struggle to try to explain things to people who have no reason to want to know.

If it disagrees with experiment, it's wrong.

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.

I have to disregard everybody else, and then I can do my own work.