In saying that "success is about growth" I'm also saying that "success depends on growth". "Success" means not ending up in the same condition as you started. Success means "no gain, no success"; or "no gain, big pain"; if there is no growth we can't really call it a success.
But the even greater importance of growth is that survival depends on it. Not only does success depend on growth, but also "survival depends on growth".
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