Romans 8:4-6

8:4 so that the righteous requirement of the law may be fulfilled in us, who do not walk according to the flesh but according to the Spirit.

8:5 For those who live according to the flesh have their outlook shaped by the things of the flesh, but those who live according to the Spirit have their outlook shaped by the things of the Spirit. 8:6 For the outlook of the flesh is death, but the outlook of the Spirit is life and peace,

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.