Making life changes requires overcoming the discomfort of not knowing what will happen. Facing uncertainty, we make long mental lists of things that might go wrong and use these as the reasons why we must stay on our current path. Learning to have a healthy distrust of this impulse and knowing that even if things go wrong, we might discover things

Certainty is the enemy of growth. Nothing is for certain until it has already happened—and even then, it’s still debatable.