" "No, thank you.

We can manage very well now.

" "Oh, well, then, I'll have a look at your cows, and if you'll allow me, I'll give directions about their food.

Everything depends on their food.

" And Levin, to turn the conversation, explained to Darya Alexandrovna the theory of cow-keeping, based on the principle that the cow is simply a machine for the transformation of food into milk, and so on.