 Bacon holds that scientific knowledge is twofold: first, there is the “imperfect and confused knowledge” by which the mind is inclined to the love of the good and of truth. This implicit knowledge is innate. Second, there is explicit rational knowledge. One part of this has to do with the knowledge of the principles of science; the other is the knowledge of conclusions. This latter is complete knowledge though it is not exhaustive. Bacon’s account of sense, memory, and experience is more extensive than that found in Grosseteste’s Commentary and reflects his own reading of Avicenna, the medical tradition, and works on optics. Bacon distinguishes experientia from experimentum. Experience (experientia) is the distinct knowledge of singular things, and all animals have this distinct knowledge of singulars. But not all animals have experimentum, that is, a science of principles based on experience. As he puts it, “experience is the distinct reception of singulars under some aspect of universality, as is stated in the text [of Aristotle], but only the universal is grasped by the intellect.” Therefore, only humans and not other animals have experience [experimentum] ([OHI, XI] 16). Many animals have an image (imaginatio) of singular things and live by innate art and industry, naturally knowing how to adapt to changing weather conditions. Human art, however, is acquired and is a science of principles based on experience (experimentum principium).