Romans 8:9

8:9 You, however, are not in the flesh but in the Spirit, if indeed the Spirit of God lives in you. Now if anyone does not have the Spirit of Christ, this person does not belong to him.

John 7:38-39

7:38 let the one who believes in me drink. Just as the scripture says, ‘From within him will flow rivers of living water.’” 7:39 (Now he said this about the Spirit, whom those who believed in him were going to receive, for the Spirit had not yet been given, because Jesus was not yet glorified.)

John 14:17

14:17 the Spirit of truth, whom the world cannot accept, because it does not see him or know him. But you know him, because he resides with you and will be in you.