Act in such a way that you always treat humanity, whether in your own person or in the person of any other, never simply as a means but always also as an end.
—Immanuel Kant
Topics: Action
Out of timber so crooked as that from which man is made nothing entirely straight can be carved.
—Immanuel Kant
Topics: Humanity, Humankind
There is a limit where the intellect fails and breaks down, and this limit is where the questions concerning God, and freewill, and immortality arise.
—Immanuel Kant
Topics: Faith
There is, therefore, only one categorical imperative. It is: Act only according to that maxim by which you can at the same time will that it should become a universal law.
—Immanuel Kant
Topics: Ethics
Man must be disciplined, for he is by nature raw and wild.
—Immanuel Kant
Topics: Discipline
The history of the human race, viewed as a whole, may be regarded as the realization of a hidden plan of nature to bring about a political constitution, internally, and for this purpose, also externally perfect, as the only state in which all the capacities implanted by her in mankind can be fully developed.
—Immanuel Kant
Topics: Man, Mankind
Experience without theory is blind, but theory without experience is mere intellectual play.
—Immanuel Kant
Topics: Experience
Nothing is divine but what is agreeable to reason.
—Immanuel Kant
Topics: Reason
Ours is an age of criticism, to which everything must be subjected. The sacredness of religion, and the authority of legislation, are by many regarded as grounds for exemption from the examination by this tribunal, But, if they are exempted, and cannot lay claim to sincere respect, which reason accords only to that which has stood the test of a free and public examination.
—Immanuel Kant
Topics: Criticism, Critics
Riches ennoble a man’s circumstances, but not himself.
—Immanuel Kant
Topics: Riches
What can I know? What ought I to do? What can I hope?
—Immanuel Kant
Topics: Hope
Suicide is not abominable because God prohibits it; God prohibits it because it is abominable.
—Immanuel Kant
Topics: Suicide
Act as if the maxim of your action were to become through your will a be general natural law.
—Immanuel Kant
Topics: Living, Doing Your Best, Action
Sincerity is the indispensable ground of all conscientiousness, and by consequence of all heartfelt religion.
—Immanuel Kant
Topics: Sincerity
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
Topics: Philosophy, Philosophers
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
Immaturity is the incapacity to use one’s intelligence without the guidance of another.
—Immanuel Kant
All human knowledge thus begins with intuitions, proceeds thence to concepts, and ends with ideas.
—Immanuel Kant
Topics: Intuition
An action is essentially good if the motive of the agent be good, regardless of the consequences.
—Immanuel Kant
Topics: Goodness
What are the aims which are at the same time duties?—they are the perfecting of ourselves, and the happiness of others.
—Immanuel Kant
The death of dogma is the birth of reality.
—Immanuel Kant
Topics: Change
Act so that the maxim of your act could be made the principle of a universal law.
—Immanuel Kant
Topics: Action
Fallacious and misleading arguments are most easily detected if set out in correct syllogistic form.
—Immanuel Kant
Topics: Arguments
It is not necessary that whilst I live I live happily; but it is necessary that so long as I live I should live honorably.
—Immanuel Kant
Topics: Happiness
By a lie, a man…annihilates his dignity as a man.
—Immanuel Kant
Topics: Lies, Lying, Deception/Lying
It is beyond a doubt that all our knowledge that begins with experience.
—Immanuel Kant
It is not God’s will merely that we should be happy, but that we should make ourselves happy
—Immanuel Kant
Topics: Happiness
The greatest human quest is to know
what one must do in order to become a human being.
—Immanuel Kant
Thrift is care and scruple in the spending of one’s means. It is not a virtue and it requires neither skill nor talent.
—Immanuel Kant
Topics: Economy
Out of the crooked timber of humanity no straight thing can ever be made.
—Immanuel Kant
Topics: Humanity
Wondering Whom to Read Next?
- Johann Gottfried Herder German Critic, Poet
- Wilhelm von Humboldt German Statesman, Scholar
- Gottfried Wilhelm Leibniz German Philosopher, Mathematician
- Arthur Schopenhauer German Philosopher
- Martin Heidegger German Existential Philosopher
- David Hume Scottish Philosopher, Historian
- Friedrich Nietzsche German Philosopher, Scholar
- Moses Mendelssohn German Jewish Philosopher
- John Locke English Philosopher
- Friedrich Heinrich Jacobi German Philosopher
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