Reminds me of a (Chinese, iirc) saying: Person saying it cannot be done, should not interrupt person doing it. In other words: believe what you will, as long

Reminds me of a (Chinese, iirc) saying: Person saying it cannot be done, should not interrupt person doing it. In other words: believe what you will, as long as you don't get in the way of someone who's busy doing what you think is impossible.