The man with a toothache thinks everyone happy whose teeth are sound. The poverty-stricken man makes the same mistake about the rich.

元素并非随意分布，而是遵循更高的秩序。

The only thing you can control is your effort and your attitude.

科学不是男孩的游戏，也不是女孩的游戏。它是每个人的游戏。它关乎我们现在在哪里以及我们将去向何方。