Let it be your constant method to look into the design of people's actions, and see what they would be at, as often as it is practicable; and to make this custom the more significant, practice it first upon yourself.
Imperator Caesar Marcus Aurelius Antoninus Augustus (April 26, 121 March 17, 180) was Roman Emperor from 161 to his death in 180. He was born Marcus Annius Catilius Severus, and at marriage took the name Marcus Annius Verus. When he was named Emperor, he was given the name Marcus Aurelius Antoninus. He was the last of the Five Good Emperors.