Philosophische Versuche über die menschliche Natur und ihre Entwickelung

Johannes Nikolaus Tetens's Philosophische Versuche über die menschliche Natur und ihre Entwickelung (1777) is a significant work in German philosophy that predates Immanuel Kant's Critique of Pure Reason. The book explores the origins and structure of human knowledge, influenced by Kant's ideas and emphasizing empirical foundations for philosophical study.1

Tetens divided consciousness into three faculties: feeling, will, and understanding, with the latter referring to the ability to form and combine ideas. He was a proponent of empiricism, aligning with the British and French philosophical traditions of his time, particularly the work of David Hume. Tetens's work was highly regarded by Kant, who incorporated Tetens's emphasis on empirical evidence and his tripartite division of consciousness into his own theories of human knowledge.12