Never let success get to your head, or failure to your heart.
心灵不是一个结构而是一个过程。
The more we study pain, the more we appreciate its role in survival.
有一个快乐的境况出现,但就有一个不快乐的境况相对立;有一处优美的风景出现,但就立即有一处不优美的风景相抵销。