"The power of a theory is exactly proportional to the diversity of situations it can explain."

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I've always thought of myself as an 80 percenter. I like to throw myself passionately into a sport or activity until I reach about an 80 percent proficiency level. To go beyond that requires an obsession that doesn't appeal to me. Once I reach 80 percent level I like to go off and do something totally different; that probably explains the diversity of the Patagonia product like - and why our versatile, multifaceted clothes are the most successful.

— Yvon Chouinard