It seems to leave the darkness rather blacker than before. - Arthur Conan Doyle

I consider that a man’s brain is originally like a little empty attic, and you have to stock it with such furniture as you choose. A fool takes in all the lumber of every sort that he comes across, so that the knowledge that might be useful to him gets crowded out.

Now, Watson,” said Holmes, as a tall dog-cart dashed up through the gloom, throwing out two golden tunnels of yellow light from its side lanterns. “You’ll come with me, won’t you?”
“If I can be of use.”
“Oh, a trusty comrade is always of use; and a chronicler still more so. My room at The Cedars is a double-bedded one.

You cannot see the lettuce and the dressing without suspecting a salad.