"The past is a foreign country; they do things differently there."

I stand up for what I believe in, and I don’t worry about what others think.

The essence of mathematics lies in its freedom.

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

最好的设计是解决人们甚至没有意识到的问题。

我已经不再年轻，不再知道一切。

If you do something once, people will call it an accident. If you do it twice, they call it a coincidence. But do it a third time and you've just proven a natural law.