The difference between perseverance and obstinacy is that one comes from a strong will, and the other from a strong won’t.

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。

领导力是赋能他人，让他们看到自己的潜力。

Machinery and labor-saving devices are only valuable as they serve to reduce the cost of manufacture.

Being busy is a form of laziness—lazy thinking and indiscriminate action.

坚持做自己，不要因为别人的眼光而改变自己。

科学的进步在于每一步发现一种新的秩序，这种秩序将看似不同的事物统一起来。