Most people overestimate the importance of f(x) relative to f'(x). Where you're going matters more than where you are. This is not just a feel-good hippy aphorism. Getting this is why traders and startup founders split the top spots in the Forbes 400.
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Shouldn't it be f''(X) > 0 ideally for the hockey stick?
If f(x) = revenue, f''(x) ≈ 0 is ok. You just don't want it to be too negative.
