The Internet is the first thing that humanity has built that humanity doesn't understand, the largest experiment in anarchy that we have ever had.

I think the target of anything in life is to be happy.

"Literature is the art of discovering something extraordinary about ordinary people, and saying with ordinary words something extraordinary."

"The dead are always with us, and we are always with them."

成人必须给幼儿提供活动的空间。

To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.

The greatest theorems are those that reveal hidden connections.

你必须相信过程，并相信自己。