Authors:

A good idea if not acted upon produces terrible psychological pain. But a good idea acted upon brings enormous mental satisfaction. Got a good idea? Then do something about it. Use action to cure fear and gain confidence. Here's something to remember: Actions feed and strengthen confidence; inaction in all forms feeds fear. To fight fear, act. To increase fear--wait, put off, postpone.

David J Schwartz (2012). “The Magic Of Thinking Big”, p.157, Simon and Schuster
A good idea if not acted upon produces terrible psychological pain. But a good idea acted upon brings enormous mental satisfaction. Got a good idea? Then do something about it. Use action to cure fear and gain