Human beings are not born once and for all on the day their mothers give birth to them, but life obliges them over and over again to give birth to themselves.

我们需要为拆卸而设计，就像为组装而设计一样。

The poor have no choice but to be honest. The rich can afford to be dishonest.

解释：大部分药材都以新鲜为好，但艾草却以陈年的为佳，体现了药材使用的特殊性。