这个世界惟有两样东西让我们的心灵感到深深的震撼，一是我们头顶上灿烂的星空,一是我们内心崇高的道德法则。

If you want to keep something precious, you have to lock it up and throw away the key.

However difficult life may seem, there is always something you can do and succeed at.

当最后一条鱼被捕捞，人类才会明白金钱不能当饭吃。

"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'"

To be a writer is to be a spy on life.

Good can exist without evil， whereas evil cannot exist without good.