on Jane Friedman site:
“Your assumptions are your windows on the world. Scrub them off every once in a while, or the light won’t come in.” —Isaac Asimov, author, professor of biochemistry
Lots of people look at a skilled public speaker and think: I wish I could do that. I wish I could speak with such confidence. I wish I could be so engaging, dynamic, and fascinating. I wish I’d gotten that gift.
Perhaps you are holding assumptions about whether you do can do public speaking well, or even have the potential to do it well.