I've learned that you can't control everything, but you can control how you react to it.

To write about war is to write about the silence that follows.

Celebrate your successes. Find some humor in your failures. Don't take yourself so seriously. Loosen up, and everyone around you will loosen up. Have fun. Show enthusiasm. Always.

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

权力不是工具，而是一种关系。它存在于人与人之间，而不是人本身。