“All the interests of my reason, speculative as well as practical, combine in the three following questions: 1. What can I know? 2. What ought I to do? 3. What may I hope?”
Cite this quote
APA
Kant, I. (n.d.). All the interests of my reason, speculative as well as practical, combine in the three following questions: 1. What can I know? 2. What ought I to do? 3. What may I hope? [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/29226-all-the-interests-of-my-reason-speculative-as/
MLA
Kant, Immanuel. “All the interests of my reason, speculative as well as practical, combine in the three following questions: 1. What can I know? 2. What ought I to do? 3. What may I hope?” Famous Quotations Network, https://www.famous-quotations.com/quotes/29226-all-the-interests-of-my-reason-speculative-as/. Accessed 24 Oct. 2026.
Chicago
Kant, Immanuel. “All the interests of my reason, speculative as well as practical, combine in the three following questions: 1. What can I know? 2. What ought I to do? 3. What may I hope?” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/29226-all-the-interests-of-my-reason-speculative-as/.