Immanuel Kant

• "Experience without theory is blind, but theory without experience is mere intellectual play.“
• "It is beyond a doubt that all our knowledge that begins with experience.“
• "But although all our knowledge begins with experience, it does not follow that it arises from experience.“
• "It is not God's will merely that we should be happy, but that we should make ourselves happy.“
• "It is not God's will merely that we should be happy, but that we should make ourselves happy.“
• "Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.“
• "Happiness is not an ideal of reason, but of imagination.“
• "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?“
• "What can I know? What ought I to do? What can I hope?“
• "Happiness is not an ideal of reason, but of imagination.“
• "Immaturity is the incapacity to use one's intelligence without the guidance of another.“
• "All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.“
• "I had therefore to remove knowledge, in order to make room for belief.“
• "Science is organized knowledge. Wisdom is organized life.“
• "It is beyond a doubt that all our knowledge that begins with experience.“
• "Intuition and concepts constitute... the elements of all our knowledge, so that neither concepts without an intuition in some way corresponding to them, nor intuition without concepts, can yield knowledge.“
• "But although all our knowledge begins with experience, it does not follow that it arises from experience.“
• "He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.“
• "Religion is the recognition of all our duties as divine commands.“
• "Science is organized knowledge. Wisdom is organized life.“
• "Even philosophers will praise war as ennobling mankind, forgetting the Greek who said: 'War is bad in that it begets more evil than it kills.'“
• "Science is organized knowledge. Wisdom is organized life.“

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