The spirit contrasted with the letter:
Related Commentaries of 2 Corinthians 3:4
2 Corinthians 3:4-6
4 And such trust have we through Christ to God-ward:
5 Not that we are sufficient of ourselves to think any thing as of ourselves; but our sufficiency is of God;
6 Who also hath made us able ministers of the new testament; not of the letter, but of the spirit: for the letter killeth, but the spirit giveth life.a