Human reason has the peculiar fate ... that it is burdened with questions that it cannot dismiss ... but which it also cannot answer. — Immanuel Kant Copy Share Image
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason. — Immanuel Kant Copy Share Image
In man (as the only rational creature on earth) those natural capacities which are directed to the use of his reason are… — Immanuel Kant Copy Share Image
Reason must approach nature in order to be taught by it. It must not, however, do so in the character of a… — Immanuel Kant Copy Share Image
“...[H]uman reason in its pure use, so long as it was not critically examined, has first tried all possible wrong ways before… — Immanuel Kant Copy Share Image
The only objects of practical reason are therefore those of good and evil. For by the former is meant an object necessarily… — Immanuel Kant Copy Share Image
“Human reason, in one sphere of its cognition, is called upon to consider questions, which it cannot decline, as they are presented… — Immanuel Kant Copy Share Image
“Enlightenment is man's emergence from his self-imposed immaturity. Nothing is required for this enlightenment except freedom; and the freedom in question is… — Immanuel Kant Copy Share Image
All the interests of my reason, speculative as well as practical, combine in the three following questions: 1. What can I know?… — Immanuel Kant Copy Share Image
We find that the more a cultivated reason devotes itself to the aim of enjoying life and happiness, the further does man… — Immanuel Kant Copy Share Image
“...[N]ature generally in the distribution of her capacities has adapted the means to the end... [so nature's] true destination must be to… — Immanuel Kant Copy Share Image
Christianity possesses the great advantage over Judaism of being represented as coming from the mouth of the first Teacher not as a… — Immanuel Kant Copy Share Image
“Mathematics, natural science, laws, arts, even morality, etc. do not completely fill the soul; there is always a space left over reserved… — Immanuel Kant Copy Share Image
This can never become popular, and, indeed, has no occasion to be so; for fine-spun arguments in favour of useful truths make… — Immanuel Kant Copy Share Image
“Laziness and cowardice are the reasons why so great a portion of mankind, after nature has long since discharged them from external… — Immanuel Kant Copy Share Image
The science of mathematics presents the most brilliant example of how pure reason may successfully enlarge its domain without the aid of… — Immanuel Kant Copy Share Image
Reason does not work instinctively, but requires trial, practice, and instruction in order to gradually progress from one level of insight to… — Immanuel Kant Copy Share Image
Nature has willed that man should, by himself, produce everything that goes beyond the mechanical ordering of his animal existence, and that… — Immanuel Kant Copy Share Image
Enlightenment is man's emergence from his self-imposed immaturity...No thing is required for this enlightenment.. .except freedom; and the freedom in question is… — Immanuel Kant Copy Share Image
Even if a civil society were to be dissolved by the consent of all its members (e.g., if a people inhabiting an island decided… — Immanuel Kant Copy Share
How then is perfection to be sought? Wherein lies our hope? In education, and in nothing else. — Immanuel Kant Copy Share
Heaven has given human beings three things to balance the odds of life: hope, sleep, and laughter. — Immanuel Kant Copy Share
Beauty presents an indeterminate concept of Understanding, the sublime an indeterminate concept of Reason. — Immanuel Kant Copy Share
Freedom is that faculty that enlarges the usefulness of all other faculties. — Immanuel Kant Copy Share
Philosophical knowledge is the knowledge gained by reason from concepts ; mathematical knowledge is the knowledge gained by reason from the construction of concepts. — Immanuel Kant Copy Share
A categorical imperative would be one which represented an action as objectively necessary in itself, without reference to any other purpose. — Immanuel Kant Copy Share
When I could have used a wife, I could not support one; and when I could support one, I no longer needed any — Immanuel Kant Copy Share
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… — Immanuel Kant Copy Share
The ideal of the supreme being is nothing but a regulative principle of reason which directs us to look upon all connection in the… — Immanuel Kant Copy Share
“Jeg skal alltid handle slik at den regelen jeg handler etter kunne gjelde som allmenn lov.” — Immanuel Kant Copy Share
Deaths, births, and marriages, considering how much they are separately dependent on the freedom of the human will, should seem to be subject to… — Immanuel Kant Copy Share
A society that is not willing to demand a life of somebody who has taken somebody else’s life is simply immoral. — Immanuel Kant Copy Share
. . . as to moral feeling, this supposed special sense, the appeal to it is indeed superficial when those who cannot think believe… — Immanuel Kant Copy Share