I like to think of brainstorming as a conveyer belt full of bad and good ideas. If you stop at the bad ones you don't let the good ones through either. You can'

I like to think of brainstorming as a conveyer belt full of bad and good ideas. If you stop at the bad ones you don't let the good ones through either. You can't help what's on the belt, you just have to let it run. Don't stop the conveyor belt.