" Now, in the clear light of an accepted duty, he felt fear indeed, but with it a sober sense of confidence in himself and in the world, and even an element of pleasure. It was the difference between a landsman in a sinking ship and a horseman on a bolting horse: either may be killed, but the horseman is an agent as well as a patient. "

― C.S. Lewis , Space Trilogy: Out of the Silent Planet / Perelandra / That Hideous Strength