Very little is actually impossible, in my experience; the human will is strong enough to defy the laws of the world and remake them entirely, should someone be able to see it through. It's admirable.
The problem is with the rest of what you've stated - people are disinclined to do anything that seems difficult or unpleasant, even when it's to their benefit.
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The problem is with the rest of what you've stated - people are disinclined to do anything that seems difficult or unpleasant, even when it's to their benefit.