Sources & licences

The statements on this website rely on the sources named directly beneath the respective section. Errors are still possible. This page adds the overall list.

Text sources

The texts are original summaries, factually aligned with these Wikipedia articles (retrieved 2026, licensed CC BY-SA 4.0):

• Immanuel Kant
• Kritik der reinen Vernunft
• Kritik der praktischen Vernunft
• Kritik der Urteilskraft
• Grundlegung zur Metaphysik der Sitten
• Die Metaphysik der Sitten
• Zum ewigen Frieden
• Beantwortung der Frage: Was ist Aufklärung?
• Das Ende aller Dinge
• Über ein vermeintes Recht aus Menschenliebe zu lügen
• Anthropologie in pragmatischer Hinsicht
• Erkenntnistheorie
• Metaphysik
• Kategorischer Imperativ

Original Kant quotations are in the public domain; work and year are stated with each quotation.

Images

All images come from Wikimedia Commons. Author, licence and a link to the file page are stated directly beneath each image.

Interactive content

The quiz, flashcards, maxim tester and judgment sorter were developed for this site; the examples they use follow the articles linked above (chiefly the Groundwork and the Critique of Pure Reason) and cite them as sources.