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.

Knowledge is the highest wealth of humanity, and sharing knowledge is the greatest generosity.

I write to understand the complexity of human experience.

The world is changing very fast. Big will not beat small anymore. It will be the fast beating the slow.

将社会正义的梦想变为现实并不容易，但也不是不可能的。

The Romans would never have found time to conquer the world if they had been obliged first to learn Latin.