--nay, lay your hands upon your hearts, and answer this plain question, Whether this one single knob, which now stands here like a blockhead by itself, can serve any purpose upon earth, but to put one in mind of the want of the other? 
Nay, answer me this question: whether this one single knob, which now stands here like a blockhead by itself, can serve any purpose but to remind one of the lack of the other? 