Coal will remain part of the energy mix, but it must be cleaner and more responsible.

"To write is to make a mark, to leave a trace, to say 'I was here.'"

The true value of a tree isn't in its board feet, but in its roots and reach.

If we find the answer to why the universe exists, it would be the ultimate triumph of human reason – for then we would know the mind of God.

"写作是一种反抗，是对遗忘的抗争，是对沉默的挑战。"

我被有历史的材料所吸引。