2 Corinthians 3:5

We are not adequate by ourselves to account for anything. Our adequacy is from God.

1 Corinthians 15:10

By the divine influence of God I am what I am. His grace was not given to me in vain for I labored more than all of them. Yet it was not I. It was the divine influence and favor of God in me.

Exodus 4:10-16

Moses said: O Jehovah I am not a man of words. I have never been so, and am not now, even after what you have said to your servant. Talking is hard for me, and I am slow of tongue.

Jeremiah 1:6-10

I, Jeremiah, said: Lord Jehovah, I do not know how to speak. I am only a child!

Matthew 10:19-20

When they hand you over, do not worry about what to say and how to say it. You will be given the words to speak at that time.

Luke 21:15

I will give you ability to talk and words of wisdom, which your adversaries shall not be able to resist or refute.

Luke 24:49

You see I send the promise of my Father upon you. You are to wait in the city until you are clothed with power from on high.

John 15:5

I am the vine and you are the branches. He that remains with me, and I with him, the same bears much fruit. You can do nothing apart from me.

1 Corinthians 3:6

I have planted, Apollos watered; but God caused the growth.

1 Corinthians 3:10

According to the grace of God that is given to me, as a wise master builder, I have laid the foundation, and another builds on it. But let every man take heed how he builds.

2 Corinthians 2:16

To the one an aroma of death leading to death and to the other an aroma from life to life. And who is sufficient for these things?

2 Corinthians 4:7

We have this treasure in earthen vessels that the power beyond what is normal may be from God, and not from ourselves.

2 Corinthians 12:9

He told me: My grace is sufficient for you for my strength is made perfect in weakness. Most gladly therefore, I would rather glory in my infirmities (frailities), that the power of Christ may rest upon me (cover me like a tent) (descend upon me) (abide with me). (Isaiah 40:29-31)

Philippians 2:13

It is God who works in you both to will and to work, for his good pleasure.

Philippians 4:13

I can do all things through him who strengthens me.

James 1:17

Every good gift and every perfect gift is from above. It comes down from the Father of lights (truth and spiritual purity), with whom there is no variation. He does not change like shifting shadows.

Treasury of Scripture Knowledge

Summary

Not that we are sufficient of ourselves to think any thing as of ourselves; but our sufficiency is of God;

General references

Bible References

But

2 Corinthians 12:9
He told me: My grace is sufficient for you for my strength is made perfect in weakness. Most gladly therefore, I would rather glory in my infirmities (frailities), that the power of Christ may rest upon me (cover me like a tent) (descend upon me) (abide with me). (Isaiah 40:29-31)
Exodus 4:11
Jehovah said to him: Who has made man's mouth? Or who makes him mute or deaf, or seeing or blind? Is it not I, Jehovah?
Jeremiah 1:6
I, Jeremiah, said: Lord Jehovah, I do not know how to speak. I am only a child!
Matthew 10:19
When they hand you over, do not worry about what to say and how to say it. You will be given the words to speak at that time.
Luke 21:15
I will give you ability to talk and words of wisdom, which your adversaries shall not be able to resist or refute.
Luke 24:49
You see I send the promise of my Father upon you. You are to wait in the city until you are clothed with power from on high.
1 Corinthians 3:6
I have planted, Apollos watered; but God caused the growth.
1 Corinthians 15:10
By the divine influence of God I am what I am. His grace was not given to me in vain for I labored more than all of them. Yet it was not I. It was the divine influence and favor of God in me.
Philippians 2:13
It is God who works in you both to will and to work, for his good pleasure.
Philippians 4:13
I can do all things through him who strengthens me.
James 1:17
Every good gift and every perfect gift is from above. It comes down from the Father of lights (truth and spiritual purity), with whom there is no variation. He does not change like shifting shadows.

General references

Exodus 3:11
But Moses said: Who am I to go to Pharaoh and lead your people out of Egypt?
Deuteronomy 1:12
How can I alone bear your encumbrance, your burden, and your strife?