In the ancient world, virtue consisted of four key components:

​Courage​—bravery, fortitude, honor, sacrifice...

​Temperance​—discipline, self-control, moderation, composure, balance...

​Justice​—fairness, service, honesty, fellowship, goodness, kindness...

​Wisdom​—knowledge, education, truth, self-reflection, peace...

Marcus Aurelius called them the... See more