Give motivation to yourself: people usually relax through happiness or interesting thing, but happy people can obtain motivation from fear and angry, they don't feel amort for difficulties.
给自己动力:通常人们只有通过快乐和有趣的事情才能够拥有轻松的心情,但是幸福的人能从恐惧和愤怒中获得动力,他们不会因困难而感到沮丧。