Carson brought up this gem when he was saying that a Muslim should not be President.
http://thehill.com/blogs/ballot-box/presidential-races/254330-carson-doubles-down-on-no-muslims-in-the-white-house
http://thehill.com/blogs/ballot-box/presidential-races/254330-carson-doubles-down-on-no-muslims-in-the-white-house
However, on several occasions Carson mentioned "Taqiyya," a practice in the Shia Islam denomination in which a Muslim can mislead nonbelievers about the nature of their faith to avoid religious persecution.
“Taqiyya is a component of Shia that allows, and even encourages you to lie to achieve your goals,” Carson said.