How to deal with stupid people talking about jesus ?

so i go to school and i am a firm believer in christ but of course there are plenty of people who don't . that's they're life i honestly just pray GOD will reveal him self to them but when in my Presence these dumb people like to say think like F**K jesus or play devilish songs and all kinda of remarks about downing GOD and putting up the devil and they love to curse in my presence its like they aim to irritate me ! i don't know what to do because im going to get PI SED ! and i know that's not the way to go ??????????? HELP HELP HELP HELP HELP !!