That reminds me of a specific line from A Wizard of Earthsea by Ursula Le Guin. > The truth is that as a man's real power grows and his knowledge widens, ever

That reminds me of a specific line from A Wizard of Earthsea by Ursula Le Guin. > The truth is that as a man's real power grows and his knowledge widens, ever the way he can follow grows narrower: until at last he chooses nothing but does only and wholly what he must do.