In science, there is no such thing as a final answer.

I don't want to be remembered as a movie star. I want to be remembered as a good man who tried to make a difference.

I'm not a god, but I'm not just a man.

As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.

奥运会不仅仅是普通的世界锦标赛，而是四年一度的全球青年盛会。

投资者应避免基于短期市场波动做出决策。