As the federal debt limit looms, Sen. Rand Paul (R., Ky.) wants to “send a message” to President Obama.

“[The debt] is out of control and someone needs to stand up and say that the emperor has no clothes,” Paul said in an interview with CNN on Sunday. “We have no money.”

For the moment, Paul is unsure of whether he will filibuster a debt-ceiling increase. “That is yet to be determined,” he said.

He did, however, mention a couple stipulations. “I would vote to raise the debt ceiling if we pass a balanced-budget amendment to the Constitution and say from here on out, this is the last time we’re doing it, that we are going to act responsibly,” Paul said. “But I see nothing going on in Washington that leads me to believe that they are spending our money wisely.”

When pressed again about a potential filibuster, Paul noted that the “people of Kentucky elected me to shake things up.”

Full interview below: