Expressions (phrases, clauses, etc.)
the good you do for others is good you do yourself; those who are kind benefit themselves; compassion is not for other people's benefit
Proverb
これは絶対、情けは人のためならず!いいことしたからご褒美なんだよ!This is definitely, 'The good you do for others is good you do yourself'! It's a reward because I was helpful! you can't save others (from themselves)
Proverbincorrect usage
Also written 情けは人の為ならず【なさけはひとのためならず】