I don't want to be a teacher. I want to be a friend.

Einstein was wrong when he said, 'God does not play dice'. Consideration of black holes suggests, not only that God does play dice, but that he sometimes confuses us by throwing them where they can't be seen

You have to be able to laugh at yourself, to not take yourself too seriously.

Patience is a virtue, and I'm learning patience. It's a tough lesson.

成功不在于目的地，而在于旅程和沿途学到的教训。

邪恶获胜的唯一必要条件是好人无所作为。