The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.
The true joy of mathematics lies in the act of discovery, not just the result.
Making art is not selfish； it’s for the rest of us. If you don’t do your thing， you are cheating us.
创作永不是自私的，这是为其他人服务的。一个人若不进行应由他带给世界的创作，那就是在混日子。
Travel changes you. As you move through this life and this world you change things slightly， you leave marks behind， however small. And in return， life—and travel—leaves marks on you.
The best designs are those that solve problems without drawing attention to themselves.