If you want to be a leader, you have to be willing to make unpopular decisions.

The best way to learn mathematics is to do mathematics.

The ability to be alone is the ability to love. It may look paradoxical to you, but it’s not. It is an existential truth: only those who can be alone are capable of love, of sharing, of going into the deepest core of another human being—without possessing the other, without becoming dependent on the other, without reducing the other to a thing, and without becoming addicted to the other.

Small changes in material design can lead to massive reductions in environmental impact.

Writing is a way of escaping from the world, but also a way of embracing it.

True courage is not the absence of fear, but moving forward in the face of fear.

男人是奇怪的东西，而更奇怪的是女人。