I had a professor who was fond of saying "you have to jump in and do it" ("it" being whatever calculation, or problem, or whatever) If you are timid and stay o

I had a professor who was fond of saying "you have to jump in and do it" ("it" being whatever calculation, or problem, or whatever) If you are timid and stay on the sidelines, you will never do anything. Of course in physics there is the small further problem where you are up against the smartest people who have ever lived, ...sans the math folk... and double points if you have been jailed in France, doing math during a war, or similar. eh... Really though, can't we all contribute if we work hard enough?