busy in this way. There 
is your kitten, for instance, who a few months ago was only a tiny bit of 
fur, but is now turning gradually into a grown-up cat. It is her daily 
food which is daily becoming a cat inside her--her saucers of milk now, 
and very soon her mice, all serve to the same end. 
The large ox, too, of whom you are so much afraid, because you cannot 
as yet be persuaded what a good-natured beast he really is, and how 
unlikely to do any harm to children who do none to him--that large ox 
began life as a small calf, and it is the grass which he has been eating 
for some time past which has transformed him into the huge mass of 
flesh you now see, and which by-and-by will be eaten by man, to 
become man's flesh in the same manner. 
But, further, still: Even the forest trees, which grow so high and spread 
so wide, were at first no bigger than your little finger, and all the 
grandeur and size you now look upon, they have taken in by the 
process of eating. "What, _do trees eat?_" you ask. 
Verily, do they; and they are, by no means, the least greedy of eaters, 
for they eat day and night without ceasing. Not, as you may suppose, 
that they crunch bonbons, or anything else as you do; nor is the process 
with them precisely the same as with you. Yet you will be surprised 
hereafter, I assure you, to find how many points of resemblance exist 
between them and us in this matter. But we will speak further of this 
presently. 
Now, I think you must allow that there are few fairytales more 
marvellous than this history of bread and meat turning into little boys 
and girls, milk and mice turning into cats, and grass into oxen! And I 
call it a _history_, observe, because it is a transformation that never 
happens suddenly, but by degrees, as time goes on. 
Now, then, for the explanation. You have heard, I dare say, of those 
wonderful spinning-machines which take in at one end a mass of raw 
cotton, very like what you see in wadding, and give out at the other a
roll of fine calico, all folded and packed up ready to be delivered to the 
tradespeople. Well, you have within you, a machine even more 
ingenious than that, which receives from you all the bread-and-butter 
and other sorts of food you choose to put into it, and returns it to you 
changed into the nails, hair, bones and flesh we have been talking about, 
and many other things besides; for there are quantities of things in your 
body, all different from each other, which you are manufacturing in this 
manner all day long, without knowing anything about it. And a very 
fortunate thing this is for you: for I do not know what would become of 
you if you had to be thinking from morning to night of all that requires 
to be done in your body, as your mother has to look after and remember 
all that has to be done in the house. Just think what a relief it would be 
to her to possess a machine which should sweep the rooms, cook the 
dinners, wash the plates, mend torn clothes, and keep watch over 
everything without giving her any trouble; and, moreover, make no 
more noise or fuss than yours does, which has been working away ever 
since you were born without your ever troubling your head about it, or 
probably even knowing of its existence! Just think of this and be 
thankful. 
But do not fancy you are the only possessor of a magical machine of 
this sort. Your kitten has one also, and the ox we were speaking of, and 
all other living creatures. And theirs render the same service to them 
that yours does to you, and much in the same way; for all these 
machines are made after one model, though with certain variations 
adapted to the differences in each animal. And, as you will see 
by-and-by, these variations exactly correspond with the different sort of 
work that has to be done in each particular case. For instance, where the 
machine has grass to act upon, as in the ox, it is differently constructed 
from that in the cat which has to deal with meat and mice. In the same 
way in our manufactories, though all the spinning-machines are made 
upon one model, there is one particular arrangement for those which 
spin cotton, another for those which spin wool, another for flax, and so 
on. 
But, further: 
You have possibly noticed already, without being told, that all animals 
are not of equal value; or, at least,    
    
		
	
	
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