The ruling ideas of each age have ever been the ideas of its ruling class.

永远不要让恐惧决定你的未来。

I was born in Africa.I came to California because it’s really where new technologies can be brought to fruition， and I don’t see a viable competitor.

In string theory, all particles are vibrations of a tiny supersymmetric string.

The intellectually sophisticated person is indifferent to all genuine individuality, because relationships and reactions result from it which cannot be exhausted with logical operations.

One of the advantages of being old is that you can speak your mind without worrying about the consequences.