I have mentally overcome situations most of you would be terrified to ever attempt: heights fire needles spiders snakes angry monkeys being shot being hit by a car going blind - you name it I have been in a situation where I have had to mentally overcome my inherent fears to do my job.
Willem de Kooning is generally credited for coming out of the painterly gates strong in the forties revolutionizing art and abstraction and reaching incredible heights by the early fifties and then tailing off.
I may climb perhaps to no great heights but I will climb alone.