A categorical imperative would be one which represented an action as objectively necessary in itself, without reference to any other purpose.
- Immanuel Kant Quote

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
- Immanuel Kant Quote

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 Quote

Always recognize that human individuals are ends, and do not use them as means to your end.
- Immanuel Kant Quote

But although all our knowledge begins with experience, it does not follow that it arises from experience.
- Immanuel Kant Quote

By a lie, a man... annihilates his dignity as a man.
- Immanuel Kant Quote

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 Quote

Happiness is not an ideal of reason, but of imagination.
- Immanuel Kant Quote

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 Quote

Immaturity is the incapacity to use one's intelligence without the guidance of another.
- Immanuel Kant Quote

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 Quote

It is beyond a doubt that all our knowledge that begins with experience.
- Immanuel Kant Quote

It is not God's will merely that we should be happy, but that we should make ourselves happy.
- Immanuel Kant Quote

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 Quote

Metaphysics is a dark ocean without shores or lighthouse, strewn with many a philosophic wreck.
- Immanuel Kant Quote

Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.
- Immanuel Kant Quote

Religion is the recognition of all our duties as divine commands.
- Immanuel Kant Quote

Science is organized knowledge. Wisdom is organized life.
- Immanuel Kant Quote

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 Quote

So act that your principle of action might safely be made a law for the whole world.
- Immanuel Kant Quote

Thoughts without content are empty, intuitions without concepts are blind.
- Immanuel Kant Quote

To be is to do.
- Immanuel Kant Quote

Two things awe me most, the starry sky above me and the moral law within me.
- Immanuel Kant Quote

Two things fill the mind with ever new and increasing wonder and awe - the starry heavens above me and the moral law within me.
- Immanuel Kant Quote

What can I know? What ought I to do? What can I hope?
- Immanuel Kant Quote