So I think I can quilt... it?

I started this quilt thinking I would add elaborate quilting to fill in the "white" space and now I'm scarred. "Practice makes perfect" they say. So I am hoping I can summon the courage to jump in and commit to finishing the project. I need to find a way to inspire myself to finish these projects when I get to a point that I am stuck, worried, nervous, afraid of how they might look when done. Some sort of a mantra to get myself past the stuck and into the done. Any suggestions?