When Rome imposed a census on Judea in 6 CE, most Jews grudgingly complied. One man declared that paying taxes to Caesar was slavery, and slavery was a sin against God.
According to Josephus in Antiquities XVIII, Judas of Galilee (also called Judas the Gaulonite, from the city of Gamala) launched a revolt against the Roman census ordered by Quirinius, the new governor of Syria. Archelaus had just been deposed and his territory absorbed directly into the Roman province. The census was designed to count Jewish property for taxation. The high priest Joazar ben Boethus urged the people to cooperate. Judas said cooperation meant accepting foreign masters, and the Torah demanded only one master.
Judas teamed up with a Pharisee named Zadok, and together they founded what Josephus calls a "fourth philosophy" among the Jews, alongside the Pharisees, Sadducees, and Essenes. Their core teaching was radical and simple: God alone is ruler. No human emperor deserves the title of lord. Paying tribute to Rome was not a political compromise but a religious betrayal. They declared that heaven would help those who helped themselves, and freedom was worth dying for.
Josephus describes the Essenes in striking detail in this same section. They held all property in common, practiced celibacy, rejected oaths, and lived communal lives of extraordinary discipline. When tortured by enemies, they smiled through the pain, confident their souls would live on. The Pharisees believed in the immortality of the soul, divine providence alongside free will, and resurrection of the righteous. The Sadducees rejected fate entirely and denied any afterlife.
But it was Judas's fourth philosophy that changed history. Josephus blames him for planting the seed of zealotry that grew for sixty years until it erupted into the Great Revolt against Rome in 66 CE. One man's tax protest became the ideological foundation for a national catastrophe.