It takes a strong man to save himself, and a great man to save another.
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.
He not busy being born is busy dying.
化学是连接微观世界和我们日常所见现实的桥梁。
The ocean is not just a resource to be exploited, but a delicate ecosystem we must protect for future generations.