The Consequences of Ideas

Theologian R.C. Sproul’s Guide to the Greatest Philosophers and Thinkers in History

Plato. Aquinas. Descartes. Kant. Freud. These great thinkers are still impacting the culture today—from public-policy decisions to world events, theology, the arts, education, and even everyday conversations. In this classic book, the late R.C. Sproul expertly surveys history’s most influential streams of thought, proving that ideas are not just passing fads—they have consequences for generations to come. Helping readers better understand how many of these ideas have shaped their own thinking, this book will empower Christians to be a Christlike influence in the world.

• Comprehensive: Traces the thought and historical significance of philosophers such as Plato, Aristotle, Augustine, Aquinas, Descartes, Locke, Hume, Kant, Marx, Kierkegaard, Nietzsche, Sartre, Darwin, and Freud
• Accessible: Includes over 20 tables and diagrams
• A Great Resource for Students and Anyone Who Enjoys Philosophy: Explores the ideas that have shaped foundational beliefs and assumptions in modern culture