矿业中的多样性不是可选项，而是发展的必要条件。

Not for the sake of our health, though it's often presented that way, but because it's an escape from the human anthill. It's an escape from our own competition, and our own dramas. And that's why ween joy looking at glaciers and oceans, and contemplating the Earth from outside its perimeters, etc. We like to feel in contact with something that is non-human, and that is so deeply important to us.

Think wrongly, if you please, but in all cases think for yourself.

人民是革命的根基。没有人民，革命就不能成功。

A quota is just a number unless it’s enforced with conviction.

Life is too short to wake up in the morning with regrets.