Zuòrén yào ānfènshǒujǐ, bùyào tāntú bù shǔyú zìjǐ de dōngxi.
In life, one should know their place and not covet things that don't belong to them.
Tips
usage
安分守己 can be positive (law-abiding, modest) or slightly negative depending on context — in some uses it implies passive acceptance of one's station in life. It is sometimes used to advise someone to stop causing trouble.