The modern chemist is not content to be a maker of compounds; he must be an interpreter of nature.
现代化学家不满足于仅仅成为化合物的制造者；他必须是自然的解释者。
Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.
I don't think about my legacy. I'm just doing what I love.
Investing in clean coal technologies isn't an expense—it's an investment in our future.
Anything you say before the word “but” does not count.