This sentence has always been misunderstood.

here, "Wei" is pronounced as wéi, which means "self-cultivation".

The source of this idiom should be

Episode 24 of "The Buddha says ten good deeds": Life is for oneself, and it is only natural that every man does not do it for himself, and the devil takes the hindmost.

Buddhism means

don't kill,

don't steal,

don't commit adultery,

don't talk nonsense,

don't talk nonsense,

don't swear,

don't be greedy,

don't be angry, <

If you don't create new evil consequences or new disasters for yourself,

this is "for yourself".

only in this way will it not be wiped out.

is the opposite of our understanding.