In economics, the devil is often in the details.
身体劳累而不休息，就会疲困；精力使用过度而不止歇，就会衰竭。
The concept of truth is inseparable from the concept of freedom.
One often calms one's grief by recounting it.
失去某人，最糟糕的莫过于，他近在身旁，却犹如远在天边。