Very often, a risk is worth taking simply for the sake of taking it.
There is something enlivening about expanding our self-definition, and a risk does exactly that. Selecting a challenge and meeting it creates a sense of self-empowerment that becomes the ground for further successful challenges. Viewed this way, running a marathon increases your chance of writing a full-length play. Writing a full-length play gives you a leg up on a marathon.
Complete the following sentence:
If I didn't have to do it perfectly, I would try...