艺术不是反映世界的镜子，而是塑造世界的锤子。

Don't be embarrassed by your failures, learn from them and start again.

Don't watch the clock; do what it does. Keep going.

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

实现明天理想的唯一限制是我们今天的疑虑。