Also:

"It seemed to Hazel that he would not be needing his body any more, so he left it lying on the edge of the ditch, but stopped for a moment to watch his rabbits and to try to get used to the extraordinary feeling that strength and speed were flowing inexhaustibly out of him into their sleek young bodies and healthy senses. 'You needn't worry about them,' said his companion. 'They'll be all right—and thousands like them. If you'll come along, I'll show you what I mean.' He reached the top of the bank in a single, powerful leap. Hazel followed; and together they slipped away, running easily down through the wood, where the first primroses were beginning to bloom."

—Watership Down, Richard Adams.