The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends， and the other begins？

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.

The best time to plant a tree was 20 years ago; the second best time is now.

The beauty of language is that it can express the inexpressible.

技术将引领我们进入能源勘探的新领域。