I said, 'Can you, at your time of life, be so headstrong, my friend, as to persist that an arm-chair is a thing to put upon a shelf and look at? That it is an object to contemplate, to survey from a distance, to consider from a point of sight? Don't you KNOW that these arm-chairs were borrowed to be sat upon?' 
I said, 'Don't you know that these arm-chairs were borrowed to be sat upon?' 