In this collection of essays, David George Ritchie provides insightful analysis of the ideas of some of the greatest philosophers in history, including Charles Darwin, G.W.F. Hegel, and Immanuel Kant. Through careful examination of their works, Ritchie sheds light on some of the most important questions in the history of thought. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization...