Plans are worthless, but planning is everything. He understood that you had to plan and anticipate and imagine every contingency. And yet, he also understood fundamentally this other Stoic idea, which is there some things in our control and some things aren't.
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Everything had fallen away from him during those years: money, power, fame; nothing was certain for him anymore: not life, not health, not happiness; all had been called into question for him: vanity, ambition, relationships. Everything was reduced to bare existence. Burnt through with pain, everything that was not essential was melted down — the human being reduced to what he was in the last analysis: either a member of the masses, therefore no one real, so really no one — the anonymous one, a nameless thing (!), that "he" had now become, just a prisoner number; or else he melted right down to his essential self.
Viktor Frankl
You've probably been told that better choices come from more data or sharper reasoning, but neuroscience shows us that our choices are fundamentally emotional. Our feelings are the underlying 'context-setters' on which our rational brain acts. When we avoid certain emotional states, our solution set becomes constrained in ways we may not even be aware of.
Joe Hudson
The obscure we see eventually. The completely obvious, it seems, takes longer.
Edward R. Murrow — Address to the Radio-Television News Directors Association