Aristotle lived during the B.C. era and established the concept of teleological ethics. This means that ethics has a purpose or a reason. He stressed the concept of doctrine of the mean-- maintaining balance in one's actions. Additionally, he theorized the idea of developing virtuous habits to build good character as well as that happiness is the main goal of all human beings. He explained how reaching one's potential by living well and acting well will ultimately lead to happiness. Moreover, he stated one should base one's actions on reason and he introduced the concept that reason controls desire.
Immanuel Kant was a philosopher who lived the majority his life in the 1700's. He believed that an individual should use God, freedom, and immortality to be able to