The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

我不是梦想家，我是实干家。

The only thing necessary for the triumph of evil is for good men to do nothing.

过去是一个异国他乡；他们做事的方式不同。

I don't think about limitations. I think about possibilities.

因果方法在于理解生成数据的机制。