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Our knowledge springs from two fundamental sources of our mind; the first is to receive representations (receptivity of impressions), the second is th...more

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(On the seeming futility of metaphysics) Why then has nature afflicted our reason with the restless striving for such a path, as if it were one of rea...more

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[At the beginning of modern science], a light dawned on all those who study nature. They comprehended that reason has insight only into what it itself...more

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Skepticism is thus a resting-place for human reason, where it can reflect upon its dogmatic wanderings and make survey of the region in which it finds...more

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It will be seen how there can be the idea of a special science, the *critique of pure reason* as it may be called. For reason is the faculty which sup...more

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A good will is good not because of what it performs or effects, not by its aptness for the attainment of some proposed end, but simply by virtue of th...more

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...[N]ature generally in the distribution of her capacities has adapted the means to the end... [so nature's] true destination must be to produce a wi...more

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...[T]o be unfaithful to my maxim of prudence may often be very advantageous to me, although to abide by it is certainly safer.

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Here then we see philosophy brought to a critical position, since it has to be firmly fixed, notwithstanding that it has nothing to support it in heav...more

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In the physical constitution of an organized being, that is, a being adapted suitably to the purposes of life, we assume it as a fundamental principle...more

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To behold virtue in her proper form is nothing else but to contemplate morality stripped of all admixture of sensible things and of every spurious orn...more

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The sight of a being who is not adorned with a single feature of a pure and good will, enjoying unbroken prosperity, can never give pleasure to an imp...more

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Act in such a way that you treat humanity, whether in your own person or in the person of any other, never merely as a means to an end, but always at ...more

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[It] is nevertheless better than the theological concept, of deriving morality from a divine, all-perfect will, not merely because we do not intuit th...more

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What is more, we cannot do morality a worse service than by seeing to derive it from examples. Every example of it presented to me must first itself b...more