The beauty of physics lies in its ability to explain the complex with simple principles.

Never give up, never surrender.

The probability of a response is determined by its reinforcement history.

The biggest problem of modern architecture is the loss of cultural roots.

自由不是恩赐，而是必须争取的权利。

Educate the children， and it won't be necessary to punish men.

我们的任务是，当一个伟大的想法出现时，我们就能意识到它的存在，因为这种想法并不常见。