A landmark treatise on the nature of intelligence and consciousness, Laurens Perseus Hickok's Rational Psychology draws on philosophy, psychology, and science to explore the fundamental principles of thought and perception. With rigorous analysis and clear prose, Hickok challenges conventional thinking about the mind and offers a bold new vision of human possibility. Essential reading for scholars and thinkers in many fields. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.