The answer to the ancient question Why is there something rather than nothing would be that nothingis unstable.

If you don't make mistakes, you're not working on hard enough problems. And that's a big mistake.

The answer to the ancient question Why is there something rather than nothing would be that nothingis unstable.

The brain rewards us for interacting with beautiful things. In this way, evolution wants to encourage us to do what is good for us.

In physics, you don't have to go around making trouble for yourself - nature does it for you.

In physics, your solution should convince a reasonable person. In math, you have to convince a person who's trying to make trouble. Ultimately, in physics, you're hoping to convince Nature. And I've found Nature to be pretty reasonable.

An ordinary mistake is one that leads to a dead end, while a profound mistake is one that leads to progress. Anyone can make an ordinary mistake, but it takes a genius to make a profound mistake.