Immanuel Kant (17241804) was an enlightenment philosopher who defined what is enlightenment? For Kant, enlightenment became humans dare to become wise Kant wrote many treatises based upon his minds ideas of humans ability to reason a moral society. Kant addressed social notion that human moral thought was a moral imperative toward acquiring a worthy society. Kant wrote a treatise on Noumena. This book becomes a contemporary treatise relating earthly realitys phenomena to the human minds innately known Noumena.