It is beyond a doubt that all our knowledge that begins with experience.
Treat people as an end, and never as a means to an end
Act only according to that maxim whereby you can at the same time will that it should become a universal law.
The desire of a man for a woman is not directed at her because she is a human being but because she is a woman. That she is a human being is of no concern to him.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in l...