自然权利……是每个人为了保存自己的本性，即自己的生命，而按照自己的意愿使用自己的力量的自由。
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
Technology itself is neither good nor evil; the key lies in the people who use it.
过去总是紧张的，未来则是完美的。
Regulations shouldn't strangle the industry that powers the nation.
Pain can be a form of knowledge.
The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.
The best way to learn mathematics is to do mathematics.