I'm not saying you should make up lies. If you want to tell somebody that persistance is important, you can say "constant dripping wears away the stone", and th

I'm not saying you should make up lies. If you want to tell somebody that persistance is important, you can say "constant dripping wears away the stone", and they will understand the metaphor. It doesn't matter that this is not true for every stone or that you haven't done the experiment yourself.