II. Also Avicenna said: When a thing standeth long in salt, it is salt, and if any thing stand in a stinking place, it is made stinking; and if any thing standeth with a bold man, it is made bold, and if it stand with a fearefull man, it is made fearefull.
III. And if a beast companyeth with men, it is made tractable and familiar. And generally it is verified of them by reason and divers experience, that every nature moveth to his kinde, and this verifying is known in the first qualities-and likewise in the second-and the same chanceth in the third. And there is nothing in all disposition and quality, which moveth to itself according to his whole power. And this was the root, and the second beginning of the workes and secrets and turne thou not away the eyes of thy minde. After that, this was grafted in the mindes of the Philosophers.
— Alburtus Magnus, Boke Of the Mervayles of The World