What is the primary difference between Jefferson’s and Madison’s beliefs about the Bill of Rights?

Jefferson believed that a bill of rights was unnecessary, while Madison believed that it was necessary.
Madison believed that it was important to have a bill of rights to protect against the majority.
Jefferson believed that that the federal system would protect rights without a bill of rights.
Madison disagreed with Jefferson’s belief that a bill of rights would protect citizens.

The primary difference between Jefferson’s and Madison’s beliefs about the Bill of Rights is that Jefferson believed that a bill of rights was unnecessary, while Madison believed that it was necessary.