Quotes by Immanuel Kant

Act that your principle of action might safely be made a law for the whole world.
– Immanuel Kant
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
– Immanuel Kant
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
All thought must, directly or indirectly, by way of certain characters, relate ultimately to intuitions, and therefore, with us, to sensibility, because in no other way can an object be given to us.
– Immanuel Kant
Always recognize that human individuals are ends, and do not use them as means to your end.
– Immanuel Kant
By a lie, a man... annihilates his dignity as a man.
– Immanuel Kant
Even philosophers will praise war as ennobling mankind, forgetting the Greek who said: 'War is bad in that it begets more evil than it kills.'
– Immanuel Kant
Experience without theory is blind, but theory without experience is mere intellectual play.
– Immanuel Kant
From such crooked wood as that which man is made of, nothing straight can be fashioned.
– Immanuel Kant
Happiness is not an ideal of reason, but of imagination.
– Immanuel Kant
If man makes himself a worm he must not complain when he is trodden on.
– Immanuel Kant
Immaturity is the incapacity to use one's intelligence without the guidance of another.
– Immanuel Kant
In law a man is guilty when he violates the rights of others. In ethics he is guilty if he only thinks of doing so.
– Immanuel Kant
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
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
It is not necessary that whilst I live I live happily; but it is necessary that so long as I live I should live honourably.
– Immanuel Kant
Live your life as though your every act were to become a universal law.
– Immanuel Kant
Metaphysics is a dark ocean without shores or lighthouse, strewn with many a philosophic wreck.
– Immanuel Kant
Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.
– Immanuel Kant