Examples cited in Born in Worry and Died in Happiness.

Fu Cha, the king of Wu, was determined to avenge his father and defeat the powerful State of Chu. The pursuit of pleasure was defeated by Yue, a small country he had defeated.

After he became famous, a reporter interviewed him: "Will your son become the king of the ball like you in the future?" Bailey replied, "No, because his living environment is different from mine. When I was a child, my living environment was very poor, but it was in this harsh environment that I honed my strong fighting spirit and qualified me to be the king of the ball. Moreover, he lives a comfortable life and has not been tempered by difficulties. He can't be the king of the ball. "

The edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold.

Shun became a king from a farmer, a construction worker, Jiaozi from a fisherman and a salt vendor, Guan Yiwu from an ordinary person to a king, Sun Shuai from a fisherman to a celebrity, and Prissy from a small vendor to a national pillar. Doesn't this all mean that you are born worried and happy when you die?

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