Destiny ... a word which means more than we can find any definitions for. It is a word which can have no meaning in a mechanical universe: if that which is wound up must run down, what destiny is there in that? Destiny is not necessitarianism, and it is not caprice: it is something essentially meaningful. Each man has his destiny, though some men are undoubtedly "men of destiny" in a sense in which most men are not.
It is in the twenties that the actual momentum of life begins to slacken, and it is a simple soul indeed to whom as many things are as significant and meaningful at thirty as at ten years before. At thirty an organ-grinder is a more or less a moth eaten man who grinds an organ - and once he was an organ-grinder! The unmistakable stigma of humanity touches all those impersonal and beautiful things that only youth ever grasps in their impersonal glory.
The animals of the world exist for their own reasons. They were not made for humans any more than black people were made for white, or women created for men.