Jon Bell:

The next time you have an idea rolling around in your head, find the courage to quiet your inner critic just long enough to get a piece of paper and a pen, then just start sketching it. “But I don’t have a long time for this!” you might think. Or, “The idea is probably stupid,” or, “Maybe I’ll go online and click around for—”

No. Shut up. Stop sabotaging yourself.

Getting started is often the hardest part, especially on your own projects. Our lizard brain is really good at sabotaging itself.