Human reason is by nature architectonic.
Happiness is not an ideal of reason, but of imagination.
Immaturity is the incapacity to use one's intelligence without the guidance of another.
The death of dogma is the birth of morality.
May you live your life as if the maxim of your actions were to become universal law.
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.
Science is organized knowledge. Wisdom is organized life.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason.
Morality is not properly the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.
Reason can never prove the existence of God.
