I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times, I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed.
Most of our pocket wisdom is conceived for the use of mediocre people, to discourage them from ambitious attempts, and generally console them in their mediocrity.
I have done my fiddling so long under Vesuvius that I have almost forgotten to play, and can only wait for the eruption and think it long of coming. Literally no man has more wholly outlived life than I. And still it's good fun.