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The question is not so much whether there is life on Mars as whether it will continue to be possible to live on Earth

Immanuel Kant

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Immanuel Kant
Age: 79 †
Born: 1724
Born: April 22
Died: 1804
Died: February 12
Anthropologist
Librarian
Mathematician
Pedagogue
Philosopher
Physicist
University Teacher
Writer
Königsberg i. Pr.
Kant
Emmanuel Kant
Kant
Immanuel
Life
Continue
Question
Possible
Whether
Future
Earth
Live
Much
Mars

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Our knowledge springs from two fundamental sources of the mind the first is the capacity of receiving representations (receptivity for impressions), the second is the power of knowing an object through these representations (spontaneity [in the production] of concepts).
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From such crooked wood as that which man is made of, nothing straight can be fashioned.
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A man who has tasted with profound enjoyment the pleasure of agreeable society will eat with a greater appetite than he who rode horseback for two hours. An amusing lecture is as useful for health as the exercise of the body.
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We are not rich by what we possess but by what we can do without.
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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?
Immanuel Kant
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Maturity is having the courage to use one's own intelligence!
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Aristotle can be regarded as the father of logic. But his logic is too scholastic, full of subtleties, and fundamentally has not been of much value to the human understanding. It is a dialectic and an organon for the art of disputation.
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Man relates to material things through direct insight rather than reason.
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Enlightenment is the liberation of man from his self-caused state of minority... Supere aude! Dare to use your own understanding!is thus the motto of the Enlightenment.
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Upon the solution of this problem, or upon sufficient proof of the impossibility of synthetical knowledge a priori, depends the existence or downfall of metaphysics.
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Prudence reproaches conscience accuses.
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Heaven has given human beings three things to balance the odds of life: hope, sleep, and laughter.
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Immaturity is the incapacity to use one's intelligence without the guidance of another.
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Law And Freedom without Violence (Anarchy) Law And Violence without Freedom (Despotism) Violence without Freedom And Law (Barbarism) Violence with Freedom And Law (Republic)
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The business of philosophy is not to give rules, but to analyze the private judgments of common reason.
Immanuel Kant
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Apart from moral conduct, all that man thinks himself able to do in order to become acceptable to God is mere superstition and religious folly.
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I learned to honor human beings, and I would find myself far more useless than the common laborer if I did not believe that this consideration could impart to all others a value establishing the rights of humanity.
Immanuel Kant
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Thoughts without content are empty, intuitions without concepts are blind... The understanding can intuit nothing, the senses can think nothing. Only through their union can knowledge arise.
Immanuel Kant
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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.
Immanuel Kant
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Fallacious and misleading arguments are most easily detected if set out in correct syllogistic form.
Immanuel Kant