默记所学的东西，坚持学习而不厌烦，教诲别人不知疲倦。

数学发现的过程与发现本身同样重要。

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.

Most overnight successes — in fact any significant successes — take at least 5 years. Budget your life accordingly.

I don't believe in perfection. I think that's a very dangerous idea. It's a very unattainable idea.

The true potential of 5G will be realized when it enables industrial transformation.