as we said, come back, had this among other singular habits, that he could never see a soul pass along the street, but he must needs ask any that was by, who that man was; and he was as observant of all the doings of men, and as sedulous to store his memory with such matters, as if they were to serve him to compound the drugs that he was to give his patients.  Now, of all that he saw, those that he eyed most observantly were two painters, of whom here to-day mention has twice been made, Bruno, to wit, and Buffalmacco, who were ever together, and were his neighbours.  And as it struck him that they daffed the world aside and lived more lightheartedly than any others that he knew, as indeed they did, he enquired of not a few folk as to their rank.  And learning on all hands that they were poor men and painters, he could not conceive it possible that they should live thus contentedly in poverty, but made his mind up that, being, as he was informed, clever fellows, they must have some secret source from which they drew immense gains; for which reason he grew all agog to get on friendly terms with them, or any rate with one of them, and did succeed in making friends with Bruno.

Bruno, who had not needed to be much with him in order to discover that this physician was but a dolt, had never such a jolly time in palming off his strange stories upon him, while the physician, on his part, was marvellously delighted with Bruno; to whom, having bidden him to breakfast, and thinking that for that reason he might talk familiarly with him, he expressed the amazement with which he regarded both him and Buffalmacco, for that, being but poor men, they lived so lightheartedly, and asked him to tell him how they managed.  At which fresh proof of the doctor’s simplicity and fatuity Bruno was inclined to laugh; but, bethinking him that ’twere best to answer him according to his folly, he said:—­“Master, there are not many persons to whom I would disclose our manner of life, but, as you are my friend, and I know you will not let it go further, I do not mind telling you.  The fact is that my comrade and I live not only as lightheartedly and jovially as you see, but much more so; and yet neither our art, nor any property that we possess, yields us enough to keep us in water:  not that I would have you suppose that we go a thieving:  no, ’tis that we go the course, and thereby without the least harm done to a soul we get all that we need, nay, all that we desire; and thus it is that we live so lightheartedly as you see.”  Which explanation the doctor believing none the less readily that he knew not what it meant, was lost in wonder, and forthwith burned with a most vehement desire to know what going the course might be, and was instant with Bruno to expound it, assuring him that he would never tell a soul.  “Alas!  Master,” said Bruno, “what is this you ask of me?  ’Tis a mighty great secret you would have me impart to you:  ’twould be enough to undo me, to send me packing out of the world, nay, into the very jaws of Lucifer of San Gallo,(2) if it came to be known.  But such is the respect in which I hold your quiditative pumpionship of Legnaia, and the trust I repose in you, that I am not able to deny you aught you ask of me; and so I will tell it you, on condition that you swear by the cross at Montesone that you will keep your promise, and never repeat it to a soul.”