回忆，即使是最珍贵的回忆，凋零的速度惊人的快。但我不服，我最珍视的回忆，我从不见它凋零。

The cosmos is all that is or ever was or ever will be.

True progress is measured not just in profits, but in the positive impact we have on society.

If your process harms the environment, you're not tanning—you're taking.

When I look at the world I'm pessimistic, but when I look at people I am optimistic.

煤炭研究和DNA工作同样重要。