The measure of a good book is whether or not it makes you see the world differently.

物理学中的每一个发现都打开了一扇通往新奥秘的门。

Judge a man by his questions rather than by his answers.

You can't just sit there and wait for life to come to you. You have to go get it.

抽象的力量使我们能够看到贯穿看似不同问题的共同线索。