Read it through once

‘Only to show you my meaning clearly,’ said the Jew, raising his eyebrows. ‘To be able to do that, you depend upon me. To keep my little business all snug, I depend upon you. The first is your number one, the second my number one. The more you value your number one, the more careful you must be of mine; so we come at last to what I told you at first--that a regard for number one holds us all together, and must do so, unless we would all go to pieces in company.’