I think at the beginning of a project, you decide if you're in love with the idea and what it's about, or what you think it's about at that time at least. Then you commit to it, and once you've commit to it no matter what, no matter how many self doubts you have, you're in it. The ship's sailed, you
There are absolutely lots of teachers who are trying to come into the profession, but they are not attracted enough to say, 'I'm going to switch careers to do it,' or they are often not retained... because the salaries and the compensation aren't there to make it happen.
If reason is a universal faculty, the decision of the common mind is the nearest criterion of truth.