How to be bright when you are born Yu is a classic saying of Zhou Yu;

Idiom: regret for not doing the same. It means regretting not taking another action in the first place. From the poem "Xie Yin Gong" by Xue Zhaowei of the Tang Dynasty: "I had known how hard writing would be, but I regretted not learning to smelt silver."

I was born at the wrong time. Han Jiao Gan's "Yilin Zhongfu Zhihuan": "I was born at the wrong time, sleepy and worried, old and extremely old, and my heart is sad." Ning Tiaoyuan's poem "Reflections on Letters in Wuchang Prison": "Death is like jealousy of evil. To be fierce, I am willing to suffer at the wrong time...