Prov. You cannot rely on other people to do things properly for you. (Sometimes right is used instead of well.) I asked my son to chop the vegetables for me, but he's cut them into chunks too small to use. I should have known: if you want a thing done well, do it yourself. Laura wouldn't trust professional auto mechanics, and so did all her own car repair. "If you want something done right, do it yourself," she said.