Zuòrén yào ānfèn-shǒujǐ, 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.