Read it through once

"It would be unnecessary I am sure, for you to caution Mrs. Palmer and Sir John against ever naming Mr. Willoughby, or making the slightest allusion to what has passed, before my sister. Their own good-nature must point out to them the real cruelty of appearing to know any thing about it when she is present; and the less that may ever be said to myself on the subject, the more my feelings will be spared, as you my dear madam will easily believe."