'The Critique of Pure Reason' by Immanuel Kant is a foundational philosophical text written during the late 18th century. This critically important work examines the limits and scope of human understanding and knowledge, especially focusing on metaphysics and the distinction between a priori (knowledge independent of experience) and a posteriori (knowledge dependent on experience) cognitions.

'The Critique of Practical Reason' by Immanuel Kant is a philosophical treatise written in the late 18th century. This work examines the foundations of moral philosophy and ethics, specifically focusing on how practical reason can determine the will and moral laws. Kant explores concepts such as freedom, duty, and moral law, aiming to establish a system where morality is grounded in the...