The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

I'm not a child, I'm an adult.

释义：做事情必须踏踏实实，不要追求浮华的虚名。

膨胀宇宙模型表明，宇宙在大爆炸后的最初几分之一秒内呈指数级膨胀。

I like crossing the imaginary boundaries people set up between different fields—it's very refreshing.