<Ul> <Li> Critique of Pure Reason </Li> <Li> Prolegomena to Any Future Metaphysics </Li> <Li> Answering the Question: What is Enlightenment? </Li> <Li> Groundwork of the Metaphysic of Morals </Li> <Li> Critique of Practical Reason </Li> <Li> Critique of Judgment </Li> <Li> Religion within the Bounds of Bare Reason </Li> <Li> Perpetual Peace: A Philosophical Sketch </Li> <Li> The Metaphysics of Morals </Li> </Ul> <Li> Critique of Pure Reason </Li> <Li> Prolegomena to Any Future Metaphysics </Li> <Li> Answering the Question: What is Enlightenment? </Li>

Who claimed that man – every man – is an end in himself not the means to the ends of others