For how much nourishment a spirit requires there is no formula; but if its taste is for independence, for rapid coming and going, for wandering, perhaps for adventures to which only the swiftest are equal, then it prefers to live free on a light diet than unfree and stuffed. Not fat, but the greatest suppleness and strength is what a good dancer wants from his food – and I do not know what the spirit of a philosopher could more wish to be than a good dancer.