解释：药物之间有阴阳、子母、兄弟等配对关系，说明药物配伍的原理。

To write is to resist forgetting.

The art of diplomacy is to understand desires of others and to find a way, where they think they get what they want.

我们需要对非人类发展出一种新的敏感性。

In chemistry, as in life, the most transformative reactions often occur at the boundaries between disciplines.