In the 1995 documentary film Frank and Ollie, Frank Thomas voiced his frustration, while looking back over his long career:
I don’t think there was a day going by, where I didn’t think I was in the wrong profession, that I should get out of animation. I’d get so mad at something that was going on. Part of the time it was my own inability to draw what I wanted, which all of us had. I guess every artist has that kind of a problem.
A surprisingly candid statement about professional insecurity from one of the world’s top character animators. ...