Romans 4:21

being absolutely convinced that God would do what he had promised.

Genesis 18:14

Is anything impossible for the LORD? At the time set for it, I will return to you about a year from now and Sarah will have a son."

Hebrews 11:19

Abraham was certain that God could raise the dead, and figuratively speaking, he did get Isaac back in this way.

2 Timothy 1:12

That is why I suffer as I do. However, I am not ashamed, for I know the one in whom I have put my trust, and I'm convinced that he is able to protect what he has entrusted to me until the day that he comes.

Psalm 115:3

when our God is in the heavens and he does whatever he desires?

Jeremiah 32:17

"LORD! Look, you made the heavens and the earth with your great power and your outstretched arm. Nothing is too difficult for you!

Jeremiah 32:27

"Look, I am the LORD, the God who rules over all flesh. Is anything too difficult for me?"

Matthew 19:26

Jesus looked at them intently and said, "For humans this is impossible, but for God all things are possible."

Luke 1:37

Nothing is impossible with respect to any of God's promises."

Luke 1:45

How blessed is this woman for believing that what was spoken to her by the Lord would be fulfilled!"

Romans 8:38

For I am convinced that neither death, nor life, nor angels, nor rulers, nor things present, nor things to come, nor powers,

Romans 14:4

Who are you to criticize someone else's servant? He stands or falls before his own Lord and stand he will, because the Lord makes him stand.

2 Corinthians 9:8

Besides, God is able to make every blessing of yours overflow for you, so that in every situation you will always have all you need for any good work.

Hebrews 11:13

All these people died having faith. They did not receive the things that were promised, yet they saw them in the distant future and welcomed them, acknowledging that they were strangers and foreigners on earth.

Treasury of Scripture Knowledge

Summary

And being fully persuaded that, what he had promised, he was able also to perform.

General references

Bible References

Fully

Romans 8:38
For I am convinced that neither death, nor life, nor angels, nor rulers, nor things present, nor things to come, nor powers,
2 Timothy 1:12
That is why I suffer as I do. However, I am not ashamed, for I know the one in whom I have put my trust, and I'm convinced that he is able to protect what he has entrusted to me until the day that he comes.
Hebrews 11:13
All these people died having faith. They did not receive the things that were promised, yet they saw them in the distant future and welcomed them, acknowledging that they were strangers and foreigners on earth.

He was able

Romans 14:4
Who are you to criticize someone else's servant? He stands or falls before his own Lord and stand he will, because the Lord makes him stand.
Genesis 18:14
Is anything impossible for the LORD? At the time set for it, I will return to you about a year from now and Sarah will have a son."
Psalm 115:3
when our God is in the heavens and he does whatever he desires?
Jeremiah 32:17
"LORD! Look, you made the heavens and the earth with your great power and your outstretched arm. Nothing is too difficult for you!
Matthew 19:26
Jesus looked at them intently and said, "For humans this is impossible, but for God all things are possible."
Luke 1:37
Nothing is impossible with respect to any of God's promises."
2 Corinthians 9:8
Besides, God is able to make every blessing of yours overflow for you, so that in every situation you will always have all you need for any good work.
Hebrews 11:19
Abraham was certain that God could raise the dead, and figuratively speaking, he did get Isaac back in this way.

General references

Psalm 22:4
Our ancestors trusted in you; they trusted and you delivered them.

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