Man has only one mind, but he has two distinct phases or functions of the one mind. Each phase is characterized by its own phenomena, which is peculiar to itself. Each of these minds is capable of independent action as well as synchronous action. We call one the objective mind because it deals with external things, and the other is the subjective mind. The subjective mind is amenable and controlled by suggestion of the objective or conscious mind. The objective mind takes cognizance of the objective world. The media of observation are the five physical senses. The objective mind is your guide in your contact with the environment. We gain knowledge through the five senses. The objective mind learns through observation, experience, and education. The greatest function of the conscious mind is that of reasoning.