化学的乐趣在于看到不可见的东西变得可见。

The world needs your light, don’t dim it.

It is good to have an end to journey toward; but it is the journey that matters, in the end.

未被阅读的故事不是故事；它只是纸浆上的小黑点。读者在阅读时赋予它生命：一个活生生的东西，一个故事。