if it ain't broke, don't fix it (English, proverb)
expansion: if it ain't broke, don't fix it
Senses:
glosses: It is wise to leave something alone and to avoid attempting to correct, fix, or improve what is already sufficient (often with an implication that is the attempted improvement is risky and might backfire).
Forms:
form: if it ain't broken, don't fix it
tags: alternative