每个艺术家都将画笔浸入自己的灵魂，并将自己的本性画入画中。
Every artist dips his brush in his own soul, and paints his own nature into his pictures.
我们之所以能够感知事物的变化，是因为单子在无限的变化中保持了稳定的内在本质。
In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.