Luke 12:5 in the King James Version
But I will forewarn you whom ye shall fear: Fear him, which after he hath killed hath power to cast into hell; yea, I say unto you, Fear him.
Context
4 “I tell you, my friends, don’t be afraid of those who kill the body, and after that have no more that they can do.
5 But I will warn you whom you should fear. Fear him who after he has killed, has power to cast into Gehenna. Yes, I tell you, fear him.
6 “Aren’t five sparrows sold for two assaria coins? Not one of them is forgotten by God.