改变是好的。改变就是进步。没有改变，一切都不会改善。

The truth is, we are all capable of great evil and great good. It is the choices we make that define us.

Science is not just about finding answers, but also about asking the right questions.

Writing is a way of making sense of the world.

The true way is along a rope that is not stretched at any great height but just above the ground. It seems more designed to make people stumble than to be walked upon.

You really don’t want to be famous. Read the biography of any famous person.

"The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths."