But so is choosing to stay in your dead end job. As is going another day, another hour, another minute, holding back all that you have to offer.
The opportunity is to leap in the face of unpredictable. To step outside your comfort zone. To do the important, the thing that both frightens you and excites you.
Unpredictable is risky. But the risk of holding back, of never knowing what could have been, is far greater.