化学的乐趣在于实践，而不仅仅是发现。

Laughter and tears are both responses to frustration and exhaustion. I myself prefer to laugh, since there is less cleaning up to do afterward.

世上并没有纯粹的无意识行动，只要我们善于去寻找，都能从内心找出行动原因。

废物只是我们尚未学会重视的资源。