The Surprisingly Practical Doctrine You Didn’t Think You Needed

Rock climbers don't scale the sheer granite walls of El Capitan because it's easy. Nor do freedivers plunge to watery depths as a pleasant distraction from life. The motivation behind such ventures is not the gruelling effort in itself, but rather the rewards that come after the challenge: the breathtaking view from the summit or the sight of stunning coral displays on the...
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