2 Corinthians 3:5

3 It is clear that you are a letter from Christ, the result of our ministry, written not with ink but with the Spirit of the living God, not on tablets of stone but on tablets of human hearts.

4 Such confidence before God is ours through Christ.

Not that we are competent in ourselves to claim that anything comes from us, but our competence comes from God.

6 And He has qualified us as ministers of a new covenant, not of the letter but of the Spirit; for the letter kills, but the Spirit gives life.

7 Now if the ministry of death, which was engraved in letters on stone, came with such glory that the Israelites could not gaze at the face of Moses because of its fleeting glory,

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB
Not that we are competent in ourselves to claim that anything comes from us, but our competence comes from God.
KJV
Not that we are sufficient of ourselves to think any thing as of ourselves; but our sufficiency is of God;
WEB
not that we are sufficient of ourselves to account anything as from ourselves; but our sufficiency is from God,
ASV
not that we are sufficient of ourselves, to account anything as from ourselves; but our sufficiency is from God;
DARBY
not that we are competent of ourselves to think anything as of ourselves, but our competency [is] of God;
BLB
Not that we are sufficient from ourselves to reckon anything as of ourselves, but our sufficiency [is] of God,
ÅB
ikke at vi av oss selv duer til å uttenke noe som av oss selv, men vår duelighet er av Gud,
OTB
Ikke at vi er tilstrekkelige i oss selv til å hevde noe som kommer fra oss, men vår tilstrekkelighet er fra Gud,
B1930
ikke at vi av oss selv duer til å uttenke noget som av oss selv, men vår duelighet er av Gud,

Study notes (Tyndale)

Original text and word study

Cross references