"Rationalism" is a seminal study of rationality and its role in the modern world, written by the eminent philosopher John MacKinnon Robertson. In this book, the author explores the essence of rationalism as a philosophical direction, examines its relationship with other philosophical teachings and its influence on the development of science, politics and culture. Readers will find in this book an in-depth analysis and reflection that will help them better understand the nature of rationality and its significance for the modern world. "Rationalism" is an important book that will leave a mark in the heart of everyone who is interested in philosophy and the search for truth.