To reap what one sows

REAP meaning: 1 : to get (something, such as a reward) as a result of something that you have done; 2 : to cut and collect (a plant, crop, etc.) from a field

To reap what one sows is a common idiomatic expression that means to experience an equal or the same kind of situation one caused others to experience. When someone reaps what they sow, everything happening to them results from things they’ve done in the past.