"The only thing that is eternal is the now."
Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know, ask them who you should ask next, and so on down the line. If you are willing to go to the 7th source, you’ll almost always get your answer.
海洋养育了数十亿人,我们有责任确保它在未来几个世纪继续这样做。
If you can't explain your chemistry to a non-scientist, you don't understand it well enough.