I want the devil out of my head!!!

Katy • 25 R.i.p my sweet baby 01-22-16👼🏼 Mommy to Barrett 03/13/17💙 TTC baby #2 YouTube channel Katy Goodwin
So if anybody is a believer of god please help me out! Iv been having awful thoughts in my head like things about my baby and I know it's the devil trying to scare me and I really wanna get him out of my head but I don't know how!!!!😭😭😭😭😭 can somebody tell me a bible scripture to read or things I can do to get the evil devil out of my life and head!!!😭😫