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428 BCE
Plato
Plat held that moral values are objective in the sense that they exist in a spirit-like realm beyond subjectie human conventions -
384 BCE
Aristotle
He is concerned with action, not as being right in itself irrespective of any other consideration, but with action as conducive to man's good. He argued that virtues are good habits that we acquire, which regulate our emotions. -
354 BCE
Augustine
St. Augustine's ethic has this in common with what one might call the typical Greek ethic; that is, eudaemonistic in character, which proposes an end for human conduct, namely happiness; bbut this happiness is to be found only in God. -
1225
Thomas Aquinas
According to Aquinas, perfect happiness, the ultimate end, is not to be found in any created thing, but only in God, who is Himself the supreme and infinite Good. -
Immanuel Kant
Kantian ethics emphasizes a single principle of duty. Influenced by Pufendorf, Kant agreed that we have moral duties to oneself and others, such as developing one's talents, and keeping our promises to others.
