"The past is always tense, the future perfect."

Don't be afraid of failure, be afraid that you don't even dare to try.

The time at our disposal each day is elastic; the passions we feel dilate it, those we inspire contract it; and habit fills up what remains.

We are what we pretend to be, so we must be careful about what we pretend to be.

技术创新是解决能源安全、环境保护和经济发展三重困境的关键。

我不是榜样，我只是努力成为更好的自己。

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

少即是乏味。