何必去怀念犯过的错何必去遗憾那些如果
[hé bì qù huái niàn fàn guò de cuò hé bì qù yí hàn nèi xiē rú guŏ]
The net name has a tone of self-comforting. It shows one way of positive attitudes towards life that we don't have to get obsessed over regrets of mistakes and things might be different if actions can be redone.