Why did Madison argue about double security for the rights of people?

James Madison argued for double security in the protection of people's rights to prevent tyranny and abuse of power by the government. He believed that a system of checks and balances, along with a separation of powers among different branches of government, would create multiple safeguards against the infringement of individual liberties. This approach aimed to ensure that no single entity could dominate or violate the rights of citizens, thereby promoting a more stable and just society.