reap what sow

reap what you sow

to experience the results of your own actions If we neglect our environment, we will surely reap what we sow.
Usage notes: usually used to say that something bad is likely to result from an activity
Etymology: from the idea that the quality of the seeds that you sow (put into the ground) grow into the kind of plants that you are able to reap (cut and collect)
See also: reap, sow