Strive, too, that in reading your story the melancholy may be moved to laughter, and the merry made merrier still; that the simple shall not be wearied, that the judicious shall admire the invention, that the grave shall not despise it, nor the wise fail to praise it. Finally, keep your aim fixed on the destruction of that ill-founded edifice of the books of chivalry, hated by some and praised by many more; for if you succeed in this you will have achieved no small success.”