The language of mathematics is universal, transcending cultural and linguistic barriers.

我不喜欢软弱，我喜欢坚强。

You have to fight to reach your dream. You have to sacrifice and work hard for it.

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.