You were going to employ your tears as a ruse in order to borrow money, but you also say—in fact, you have sworn to the fact—that independently of this your confession was made with an honourable motive.
There are no more uses of "ruse" in the book.
Show samples from other sources
She pretended to need help with her homework as a ruse to see him again.
She knew her opponent too well to fall for that ruse.