I don’t see myself as a superstar. I see myself as a normal guy who loves tennis.

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.

I'm the reason your grass won't grow.

The harder the battle, the sweeter the victory.

我们总是在寻找分析数据的新方法。