Is There a Saying That Can't Be Too Long?

The saying is meant to say, it's kind of like what's in your sphere of control and letting things go that you can't help any more. Like, you can't put the spilled milk back in the carton safely anyway, and drink it again. O, it's your saying, matly. It came from you. I picked that out of the, i picked it out of thet ar. That's the sang.