This sentence came from the Qing Dynasty's Dream of the Red Chamber. It was an expression Jia Baoyu made about his relationship with Lin Daiyu. This sentence meant that the past could not be undone and could only be accepted and moved on. Yu Sheng should be taught more, which meant that he hoped that Yu Sheng could receive the help and guidance of others and continue to grow and improve. At the same time, this sentence also expressed a kind of grateful attitude, that is, in this life, I hope that I will not deviate from the next life and still be more tolerant. It means that I hope that I can achieve something in this life to repay the help and support of others and be able to help and forgive others in the next life.