Experience without theory is blind, but theory without experience is mere intellectual play. Read Summary
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. Read Summary
Happiness is not an ideal of reason, but of imagination. Read Summary
Always recognize that human individuals are ends, and do not use them as means to your end. Read Summary
Ingratitude is the essence of vileness. Read Summary
Thoughts without content are empty, intuitions without concepts are blind. Read Summary
I had therefore to remove knowledge, in order to make room for belief. Read Summary
Out of timber so crooked as that from which man is made nothing entirely straight can be carved. Read Summary
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason. Read Summary
Live your life as though your every act were to become a universal law. Read Summary
To be is to do. Read Summary
By a lie, a man... annihilates his dignity as a man. Read Summary
It is beyond a doubt that all our knowledge begins with experience. Read Summary
Seek not the favor of the multitude; it is seldom got by honest and lawful means. But seek the testimony of few; and number not voices, but weigh them. Read Summary
But although all our knowledge begins with experience, it does not follow that it arises from experience. Read Summary
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.' Read Summary
Act that your principle of action might safely be made a law for the whole world. Read Summary
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. Read Summary
May you live your life as if the maxim of your actions were to become universal law. Read Summary
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. Read Summary