you must take up serpents? >> if you believe the word of god strong enough, and you really believe it, and the lord moves on you, you'll do it. >> back in tennessee, the pastor says he's been bitten four times in two years. he says he almost died after the first bite and says he's prepared to lose his life from a snakebite if god determines that's how he should go. >> i realize that, and i thought about, i have. i really thought about it, that's why it pays to be ready spiritually. >> another verse states that faith quench the violence of fire. so that's why this test of faith happens in many of these services. this is called handling fire. people burning their hands, arms and other body parts with flames shooting out of bottles. >> are you ever worried that seeing people burn themselves and the snakes will frighten your children? >> no. not really. >> how come?