Romanos 8

15 For you{} didn't receive the spirit of slavery again to fear; but you{} received the spirit of adoption, by whom we cry, Abba, Father.

16 The Spirit himself bears witness with our spirit, that we are children of God:

17 and if children, then heirs; heirs of God, and joint-heirs with Christ; if so be that we suffer with [him], that we may be also glorified with [him].