SOURCE: An introduction, and "The Practical Philosophy," in Immanuel Kant: His Life and Doctrine, translated by J. E. Creighton and Albert LeFevre, Charles Scribner's Sons, 1902, pp. 1-21, 294-342.

In the following excerpt from his Immanuel Kant: His Life and Doctrine (1902), Paulsen discusses the sources and historical importance of Kant's philosophy and outlines the central tenets of his practical philosophy.

Introduction

I. Kant's Significance in the General History of Thought

There are three attitudes of the mind towards reality which lay claim to truth,—Religion, Philosophy, and Science. Although sprung from a single root, they become differentiated in the higher stages of mental life, reunite, and again stand opposed to one another in a variety of ways, receiving their characteristic stamp through the manner in which this process takes place. Especially is it true that every philosophy is essentially determined through the attitude which it adopts towards religion and...