The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.

The coldest winter I ever spent was a summer in San Francisco.

"I'm interested in the human condition and how people react under extreme pressure."

Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know， ask them who you should ask next， and so on down the line. If you are willing to go to the 7th source， you’ll almost always get your answer.

If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

因此可以知道,天是希望人们互相关爱.互相帮助,而不希望人们互相憎恶.互相残害的。

我们都生活在阴沟里，但仍有人仰望星空。