被原谅只是礼物的一半。另一半是我们也可以原谅，我们可以从怨恨和指责的古老负担中解脱出来。
"To be forgiven is only half the gift. The other half is that we also can forgive, that we can release ourselves from the old, old burden of resentment and recrimination."
数学家的模式，就像画家或诗人的模式一样，必须是美丽的；思想，就像颜色或文字一样，必须以和谐的方式结合在一起。
I think of a hero as someone who understands the degree of responsibility that comes with his freedom.
"Memory is a complicated thing, a relative to truth, but not its twin."
Innovation is not about inventing new things, but doing old things in new ways.
A good illustration doesn’t just decorate the text—it expands it.