The 1st Commandment. I am the Lord Your God. God Wants Us to Be Free Although the First Commandment ("I am the Lord your God") appears simple at first glance, it actually set into motion the most revolutionary idea in human history -- ethical monotheism, the belief that there is one God whose main wish is that people treat each other decently. Dennis Prager explains that without this commandment, the following nine mean little. With it, the Ten Commandments become world-changing.
Second Commandment, "You shall have no other gods," There Are More Idols than Ever Today, the idea of idol worship feels ancient and remote to many people. We have more false gods than ever -- art, education, fame, money, to name just a few. On a personal level, the worship of false gods leads to unhappiness. http://www.prageruniversity.com/Ten-Commandments/No-Other-Gods.html#.VI7cwCvF-8A
This is a sculpture of Julius Caesar (100-44 BC), a prominent figure in the disintegration of the Republic. He became sole-ruler of Rome during a time when Rome had abandoned the idea of Kings and Monarchies and created the idea of a Republic where there is no such thing as a sole-ruler. Because of his defiance he was assassinated by conspirators.