Read it through once

“You are a very strange creature by way of a friend!--always wanting me to play and sing before anybody and everybody! If my vanity had taken a musical turn, you would have been invaluable; but as it is, I would really rather not sit down before those who must be in the habit of hearing the very best performers.” On Miss Lucas’s persevering, however, she added, “Very well; if it must be so, it must.” And gravely glancing at Mr. Darcy, “There is a very fine old saying, which everybody here is of course familiar with--‘Keep your breath to cool your porridge,’--and I shall keep mine to swell my song.”