译文：凡是说祸福，是靠自己求来的，就是圣贤之言。若是说祸福，是靠上天决定的，就是庸俗之言。

如果你没有至少90%的时间失败，那么你的目标还不够高。

"A writer's duty is to question, to challenge, and to illuminate the complexities of life."

I don’t play for the money or the fame. I play because I love tennis.

User needs are both the starting point and the end point of business.