出自汉·桓宽《盐铁论·刺赋》。释义:冰和炭不能放在同一个容器之中,太阳和月亮也不会同时照耀大地。比喻君子与小人不能同处,或比喻相互矛盾的理论不能同时运用。
The intelligence of drones is not the end, but the beginning.
最高尚的快乐是理解的喜悦。
"The profession of book writing makes horse racing seem like a solid, stable business."