Rationalism

This 1912 philosophical treatise examines rationalism, the intellectual commitment to reason as the chief source and test of knowledge, and traces how the term has evolved over three hundred years. J. M. Robertson, a prominent figure in the early twentieth-century free thought movement, constructs a rigorous defense of rational inquiry while engaging honestly with its critics. He shows how rationalism came to signify a tendency toward private judgment against established authority, particularly in matters of religion, while simultaneously acknowledging the legitimate challenges that religious thinkers have posed to pure reason's claims. The book explores rationalism's complex relationships with ethics, religion, and science, arguing that the rationalist stance, though not infallible, represents the most honest methodology for evaluating any claim to truth. Robertson writes with notable fairness, treating opposing viewpoints with respect rather than dismissing them. The work captures a pivotal moment in the ongoing debate over reason's place in human knowledge, a debate that remains remarkably urgent in an age of competing truth claims. It speaks to readers seeking to understand the intellectual foundations of secular thought and the philosophical underpinnings of modern skepticism.