Who also has made us able ministers of the new covenant; not of the letter, but of the spirit: for the letter kills, but the spirit gives life.
All Commentaries on 2 Corinthians 3:6 Go To 2 Corinthians 3
John Chrysostom
AD 407
The law was spiritual, but it did not bestow the Spirit. Moses had letters but not the Spirit, whereas we have been entrusted with the giving of the Spirit.