【译文】忍下一时的怨气，可以免除长久的忧患。遇到不利的情况学学乌龟，该缩头的时候就要把头缩回去。

I went to the woods because I wished to live deliberately. I wanted to live deep and suck out all the marrow of life, to put to rout all that was not life.

释义：人生常面临方向选择，每个方向似乎都有不同诱惑，让我们徘徊不定。

化学作用无法创造或毁灭物质。