...Aristotle puts forth the point that "all men naturally desire knowledge. [However there exist] degrees of intelligence, sense-perception, memory, experience, art and experience". These variation in processes of acquiring knowledge, actually points out to the ability to gain, assimilate and reproduce knowledge. He went on to describe four kinds of 'cause', namely: formal, material, efficient and final. On the other hand, Lucretius also explains the nature of "vision, hearing, taste and smell", and the way things enter the mind and how the mind works. He explains at length the processes through which he believes information goes into the mental system, and...