John 16:2

2 They will put you out of the synagogue; in fact, the time is coming when anyone who kills you will think they are offering a service to God.

Read John 16:2 Using Other Translations

They shall put you out of the synagogues: yea, the time cometh, that whosoever killeth you will think that he doeth God service.
They will put you out of the synagogues. Indeed, the hour is coming when whoever kills you will think he is offering service to God.
For you will be expelled from the synagogues, and the time is coming when those who kill you will think they are doing a holy service for God.