解释：第一次击鼓能振作士兵们的勇气，第二次击鼓可以使士兵们的勇气低落，第三次击鼓士兵们的勇气就消失了。

Quality is remembered long after the price is forgotten.

In the state of nature, indeed, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.

I still haven’t found what I’m looking for.

气候变化迫使每个林业工作者都成为了气候科学家，无论他们是否愿意。