And it gave humanity new powers, and we began to challenge all assumptions. And so as we get into the late 1600s and early 1700s, people start trying to use these same tools, the same deductive reasoning, on some of the oldest questions that humanity has ever asked itself. Questions like, what rights do we have as human beings? Who gets those rights? What duty and obligation do we have towards each other? What is the role of government? Who has the right to rule?