"He did me the honour to sit for his picture to Jo. Baptist Caspars, an excellent painter, and 'tis a good piece. I presented it to the Society twelve years since." In other places he tells us: "Amongst other of his acquaintance I must not forget Mr. Samuel Cowper (Cooper), the prince of limners of this last age, who drew his picture as like as art could afford, and one of the best pieces that ever he did which his Majesty, at his returne, bought of him, and conserves as one of his greatest rarities in his closet at Whitehall." In a note he adds: "This picture I intend to be borrowed of his Majesty for Mr. Loggan to engrave an accurate piece by, which will sell well both at home and abroad." Again he says: "Mr. S. Cowper (at whose house Hobbes and Sir William Petty often met) drew his picture twice: the first the King has; the other is yet in the custody of his (Cooper's) widowe; but he (Cowper) gave it indeed to me (and I promised I would give it to the archives at Oxon), but I, like a fool, did not take possession of it, for something of the garment was not quite finished, and he died, I being then in the country." {369} This picture is, I believe, now in my possession. It is a small half-length oil painting, measuring about twelve inches by nine. Hobbes is represented at an open arch or window, with his book, the Leviathan, open before him; the dress is, as Aubrey states, unfinished, and beneath is the remarkable inscription,-- "AUT EGO INSANIO SOLUS: AUT EGO SOLUS NON INSANIO." It represents the philosopher at an advanced age, and is conformable in every respect to the following description of his person: