Pond Life 
the chop is made by the sheep eating 
grass, and so building up its body of 
flesh and blood. 
Plants have the power of building up 
their own substance out of the invisible 
—a power possessed by nothing else. 
For they can separate the invisible 
mixture of the air and water, and take 
for their own use what they want, and 
form it into themselves, and so grow out 
of nothing, as it were, and store up for 
themselves the heat of the sun. Other 
things, not being able to do this, have 
to rob the plants of the fruit of their 
labours, and by eating them make use 
of it themselves. So that if we look at 
it in this way, we see that plants are the 
_ root of all life. 
G@here may seem to you to be an 
enormous gap or division between an 
I21I 
