Winners quit all the time. They just quit the right stuff at the right time.
Your best customers are worth far more than your average customers.
There are lots of good reasons to abandon a project. Having a little competition is not one of them.
A one-hit wonder is a legend who stopped early.
The key to getting a reputation for being brilliant is actually being brilliant, not just acting like you are.
The people who are the best in the world specialize at getting really good at the questions they don't know.