2 Corinthians 3:6

3:6 who made us adequate to be servants of a new covenant not based on the letter but on the Spirit, for the letter kills, but the Spirit gives life.

2 Corinthians 3:17-18

3:17 Now the Lord is the Spirit, and where the Spirit of the Lord is present, there is freedom. 3:18 And we all, with unveiled faces reflecting the glory of the Lord, are being transformed into the same image from one degree of glory to another, which is from the Lord, who is the Spirit.