What does it mean to be a human being? Act that the principals guiding your life might become a law for the entire mankind Now I will emerge from my self imposed immaturity This duty by myself shall strengthen my mind: to keep in my self the dignity of mankind Now I will have the courage to use my own reason, to fight for my freedom What can I know? What shall I do? What may I - may I hope? What does it mean? What's the meaning of our being can we know what it means to to be a human being?!