“You scarcely can conceive how much eight years of disappointment, anguish, and study, have worn me down.... Imagine to yourself a pale melancholy visage, with two great wrinkles between the eyebrows, with an eye disgustingly severe, and, a big wig, and you may have a perfect picture of my present appearance.... I can neither laugh nor drink, have contracted a hesitating disagreeable manner of speaking, and a visage that looks ill-nature itself; in short, I have thought myself into a settled melancholy, and an utter disgust of all that life brings with it.”—1759.

“He was very much what the French call un Étourdi, and from vanity and an eager desire of being conspicuous wherever he was, he frequently talked carelessly without knowledge of the subject, or even without thought. His person was short, his countenance coarse and vulgar, his deportment that of a scholar awkwardly affecting the easy gentleman.”—1763.

“Nothing could be more amiable than the general features of his mind; those of his person were not perhaps so engaging. His stature was under the middle size, his body strongly built, and his limbs more sturdy than elegant. His complexion was pale, his forehead low, his face almost round and pitted with the small-pox, but marked with strong lines of thinking. His first appearance was not captivating; but when he grew easy and cheerful in company, he relaxed into such a display of good-humour as soon removed every unfavourable impression.”