I think the topic is a bit too absolute. Failure is a part of the human factor; we overcome it by refusing to quit. You choke when you give up, otherwise you keep working the options. To quote a fictional hero of mine, I don't believe in the no-win scenario, so if I don't realize the solution right away, that just means I need to continue trying. If it doesn't work the first time, then change something and try again.

That's the way I've pretty much lived my entire life. That brings to mind one more famous hero quote, a man's gotta know his limitations. You come to believe that no matter how bad it can get, there's always gonna be something next, and it's either gonna be better, worse, or just as bad. Time don't stop for no man.

The finality of death is overrated, and what could be a worse outcome? Ergo, quote number three, "Everybody gotta die sometime, Red."
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)