Mark’s Theorem 1: If you’re trying to do something and not making any progress, do something else.
Mark’s Theorem 2: If you’re trying to do something and making lots of progress, keep doing it.
Mark’s Theorem 1: If you’re trying to do something and not making any progress, do something else.
Mark’s Theorem 2: If you’re trying to do something and making lots of progress, keep doing it.