I have no duty to be anyone's Friend and no man in the world has a duty to be mine. No claims, no shadow of necessity. Friendship is unnecessary, like philosophy, like art, like the universe itself (for God did not need to create). It has no survival value; rather it is one of those things which give value to survival.
C. S. LewisMost of us know what we should expect to find in a dragon's lair, but, as I said before, Eustace had read only the wrong books. They had a lot to say about exports and imports and governments and drains, but they were weak on dragons.
C. S. Lewis