Keats said, "Beauty is truth. Truth, beauty. That is all ye know on Earth and all ye need to know." And he died at 25 of tuberculosis. As a product manager, all ye need to know is that it's better to ship too soon than ship too late—healthcare and airplanes excluded.
Keep this simple verse as a reminder that you always have the next release. And that anytime someone coughs and then sees blood in the handkerchief, their days are numbered.