One or two setbacks are not a sign of permanent failure. The odd triumph doesn't turn you into a genius.

一两次的挫折并不意味着永远失败，几次成功也不能说明你是一个天才。

youdao

Please, don't let me be proud if I succeed, or fall in despair if I fail. Remind me that failure is the experience that precedes triumph.

请让我在成功时不骄傲，失败是不气馁。

youdao

Proper preparation of a player and his family can prevent anger, humiliation or embarrassment from erupting on the day itself, with dashed expectations turning real triumph into perceived failure.

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