New Revised Standard Version
Not that we are competent of ourselves to claim anything as coming from us; our competence is from God,

Contemporary English Version
We don't have the right to claim that we have done anything on our own. God gives us what it takes to do all we do.

New American Bible
Not that of ourselves we are qualified to take credit for anything as coming from us; rather, our qualification comes from God,

Douay-Rheims Bible
Not that we are sufficient to think any thing of ourselves, as of ourselves: but our sufficiency is from God.

Not that we are sufficient to think any thing of ourselves, as of ourselves: but our sufficiency is from God.

that.

2 Corinthians 2:16 To the one indeed the odour of death unto death: but to the others the odour of life unto life. And for these things who is so sufficient?

2 Corinthians 4:7 But we have this treasure in earthen vessels, that the excellency may be of the power of God and not of us.

Exodus 4:10 Moses said: I beseech thee, Lord, I am not eloquent from yesterday and the day before; and since thou hast spoken to thy servant, I have more impediment and slowness of tongue.

John 15:5 I am the vine: you the branches. He that abideth in me, and I in him, the same beareth much fruit: for without me you can do nothing.

but.

2 Corinthians 12:9 And he said to me: My grace is sufficient for thee: for power is made perfect in infirmity. Gladly therefore will I glory in my infirmities, that the power of Christ may dwell in me.

Exodus 4:11-16 The Lord said to him: Who made man's mouth? or who made the dumb and the deaf, the seeing and the blind? did not I? . . .

Jeremiah 1:6-10 And I said: Ah, ah, ah, Lord God: behold, I cannot speak, for I am a child. . . .

Matthew 10:19,20 But when they shall deliver you up, take no thought how or what to speak: for it shall be given you in that hour what to speak: . . .

Luke 21:15 For I will give you a mouth and wisdom, which all your adversaries shall not be able to resist and gainsay.

Luke 24:49 And I send the promise of my Father upon you: but stay you in the city till you be endued with power from on high.

1 Corinthians 3:6,10 I have planted, Apollo watered: but God gave the increase. . . .

1 Corinthians 15:10 But by the grace of God, I am what I am. And his grace in me hath not been void: but I have laboured more abundantly than all they. Yet not I, but the grace of God with me:

Philippians 2:13 For it is God who worketh in you, both to will and to accomplish, according to his good will.

Philippians 4:13 I can do all things in him who strengtheneth me.

James 1:17 Every best gift and every perfect gift is from above, coming down from the Father of lights, with whom there is no change nor shadow of alteration.