I believe that the answer is, '<span>I believe no gentleman would repine to give ten shillings for the carcass of a good fat child'.</span>
<u>Explanation:</u>
Remember, a <em>simile </em>is a literary device used to compare two things that are not exactly alike, but done to make a clear description.
By such comparison, Elbow (Peter Elbow) views freewriting as closing one's mind to spelling, grammatical errors, and the likes when they are writing thoughts on their mind; in effect, they've put their thoughts in a bottle free of examination.