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
A categorical imperative would be one which represented an action as objectively necessary in itself, without reference to any other purpose. – Immanuel Kant
Always recognize that human individuals are ends, and do not use them as means to your end. – 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
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
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 our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason. – Immanuel Kant
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. – Immanuel Kant
Out of timber so crooked as that from which man is made nothing entirely straight can be carved. – Immanuel Kant
He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals. – 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