In this paper, I will describe Euthyphro’s dilemma, and defend one horn of his dilemma on moral realism, which is “piety exists before gods’ love, and it is independent of gods’ love”. As described in the Greek philosopher Plato’s text “Five Dialogues”, Euthyphro met Socrates in front of the king-archon’s court when Euthyphro had to prosecute his father for murdering a murder, which his family thought his action was impious. Socrates stood accused by Meletus of the corruption towards the youth and