Liberty is obedience to self-imposed law.

The only person you should try to be better than is the person you were yesterday.

The rocks may be hard, but our resolve must be harder.

The best things in life are unexpected.

眼睛不仅仅是光学仪器；它是心灵感知外部世界的手段。

"You can't be a great leader without great people."

计算的力量在于它能够将想法转化为现实。

Quality is never an accident; it is always the result of intelligent effort.

自然权利...是每个人都有权利按照自己的意愿使用他自己的力量来维护自己的本性。