It is necessary from the very nature of things that power should be a check to power.

Courage consists not in hazarding without fear； but being resolutely minded in a just cause.

大自然从不欺骗我们；欺骗我们的总是我们自己。

我是一个行走的矛盾体。

化学之美在于它能够在分子水平上解释世界。

"The more I study nature, the more I stand amazed at the work of the Creator."

Reality is always more fantastic than fiction.

Perception is not determined simply by stimulus patterns; rather it is a dynamic searching for the best interpretation of the available data.