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It must be *possible* for the *I think* to accompany all my representations: for otherwise something would be represented within me that could not be ...more

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A similar experiment may be tried in metaphysics as regards the *intuition* of objects. If the intuition had to conform to the constitution of objects...more

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Metaphysics, a completely isolated and speculative branch of rational knowledge which is raised above all teachings of experience and rests on concept...more

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It is beyond a doubt that all our knowledge begins with experience.

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It is true, no doubt, that this principle of the necessary unity of apperception is itself an identical and therefore an analytic proposition; but it ...more

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But although all our knowledge begins with experience, it does not follow that it arises from experience.

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Science is organized knowledge. Wisdom is organized life

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We have seen, therefore, that I am not allowed even to *assume*, for the sake of the necessary practical use of my reason *God, freedom, immortality*,...more

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Experience without theory is blind, but theory without experience is mere intellectual play.

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Our critique is not opposed to the *dogmatic procedure* of reason in its pure knowledge as science (for science must always be dogmatic, that is, deri...more

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The purpose of this critique of pure speculative reason consists in the attempt to change the old procedure of metaphysics, and to bring about a compl...more

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An age cannot bind itself and ordain to put the succeeding one into such a condition that it cannot extend its (at best very occasional) knowledge , p...more

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An age cannot bind itself and ordain to put the succeeding one into such a condition that it cannot extend its (at best very occasional) knowledge , p...more

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That all our knowledge begins with experience there can be no doubt. For how should the faculty of knowledge be called into activity, if not by object...more

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I had to deny knowledge in order to make room for faith.