Quotes About Reason

Human reason, in one sphere of its cognition, is called upon to consider questions, which it cannot decline, as they are presented by its own nature, but which it cannot answer, as they transcend every faculty of the mind.

Immanuel Kant

Settle, for sure and universally, what conduct will promote the happiness of a rational being.

The whole interest of my reason, whether speculative or practical, is concentrated in the three following questions: What can I know? What should I do? What may I hope? (Critique of Pure Reason

Enlightenment is man's release from his self incurred tutelage. Tutelage is man's inability to make use of his understanding without direction from another. Self-incurred is this tutelage when its cause lies not in lack of reason but in lack of resolution and courage to use it without direction from another. Have courage to use your own reason that's the motto of enlightenment .

Happiness is not an ideal of reason but of imagination, resting solely on empirical grounds, and it is vain to expect that these should define an action by which one could attain the totality of a series of consequences which is really endless.

Philosophical knowledge is knowledge which reason gains from concepts; mathematical knowledge is knowledge which reason gains from the construction of concepts.

The will is conceived as a faculty of determining oneself to action in accordance with the conception of certain laws. And such a faculty can be found only in rational beings.

Human reason goes forth inexorably to such questions as cannot be answered by any experiential use of reason or principles based on it.

the cultivation of reason leads humanity sooner to misery than happiness

Dogmatism is thus the dogmatic procedure of pure reason without previous criticism of its own powers, and in opposing this procedure, we must not be supposed to lend any countenance to that loquacious shallowness which arrogates to itself the name of popularity, nor

Thus he has two standpoints from which he can consider himself...: first, as belonging to the world of sense, under the laws of nature (heteronomy), and, second, as belonging to the intelligible world under laws which, independent of nature, are not empirical but founded only on reason.

in its practical purpose the footpath of freedom is the only one on which it is possible to make use of reason in our conduct. Hence it is as impossible for the subtlest philosophy as for the commonest reasoning to argue freedom away.

Immanuel Kant

Reason should take on anew the most difficult of all its tasks, namely, that of self-knowledge, and to institute a court of justice, by which reason may secure its rightful claims while dismissing all its groundless pretensions, and this not by mere decrees but according to its own eternal and unchangeable laws; and this court is none other than the critique of pure reason itself.

Immanuel Kant

It is different with the transcendental division of a phenomenon. How far that may extend is not a matter of experience, but a principle of reason, which never allows us to consider the empirical regressus in the decomposition of extended bodies, according to the nature of these phenomena, as at any time absolutely completed.

A great part, perhaps the greatest part, of the business of our reason consists in the analysation of the conceptions which we already possess of objects.

Habe den Mut, dich deines eigenen Verstandes zu bedienen.

The enjoyment of power inevitably corrupts the judgement of reason, and perverts its liberty.

The sacredness of religion, and the authority of legislation, are by many regarded as grounds of exemption from the examination of this tribunal. But, if they on they are exempted, they become the subjects of just suspicion, and cannot lay claim to sincere respect, which reason accords only to that which has stood the test of a free and public examination.]

That kings should be philosophers, or philosophers kings is neither to be expected nor to be desired, for the possession of power inevitably corrupts reason's free judgment. However, that kings or sovereign peoples (who rule themselves by laws of equality) should not allow the class of philosophers to disappear or to be silent, but should permit them to speak publicly is indispensable to the enlightenment of their affairs.

The greatest and perhaps only utility of all philosophy of pure reason is thus only negative, namely that it does not serve for expansion, as an organon, but rather, as a discipline, serves for the determination of boundaries, and instead of discovering truth it has only the silent merit of guarding against errors

Our reason has this peculiar fate that, with reference to one class of its knowledge, it is always troubled with questions which cannot be ignored, because they spring from the very nature of reason, and which cannot be answered, because they transcend the powers of human reason.