Galaxy Brain: Iteration is the Destination  

The "Creativity Faucet" is an approach to creation where you imagine your creativity as a backed-up faucet.
There is a whole lot of dirty water backed up in the pipes that needs to be flushed out before the clean (good idea) water can flow.
Tyson shows his modeling process with a similar philosophy in this clip: i terate on bad designs quickly in order to free the good design from your backed-up brain pipes.