Romans 4:21

And made perfectly certain that, what was promised, he is able to do.

Genesis 18:14

Shall the word of Jehovah be difficult, at the appointed time? I will return to thee, according to the time of life, and a son to Sarah.

Hebrews 11:19

Reckoning that God was also able to raise from the dead; whence he also received him in a parable.

2 Timothy 1:12

By which cause I also suffer these things: but I am not ashamed: for I know whom I have believed, and have been persuaded that he is able to watch my deposits to that day.

Psalm 115:3

And our God is in the heavens; did all that he delighted in.

Jeremiah 32:17

Thou Lord Jehovah! behold thou madest the heavens and the earth by thy great power and by thine arm stretched forth; any word shall not be separated from thee.

Jeremiah 32:27

Behold, I am Jehovah, God of all flesh: is there any word separated from me?

Matthew 19:26

And Jesus having looked up said to them, With men this is impossible, but with God all things are possible.

Luke 1:37

For nothing shall be impossible with God.

Luke 1:45

And happy she having believed: for a completion of the things spoken shall be to her from the Lord.

Romans 8:38

For I am persuaded that neither death, nor life, nor angels, nor beginnings, nor powers, nor things having stood, nor things about to be,

Romans 14:4

Who art thou judging another's servant? to his own lord he stands or falls. And he shall be made to stand: for God is powerful to make him stand.

2 Corinthians 9:8

And God able for all grace to abound in you; having always all sufficiency in everything, ye abound in every good work:

Hebrews 11:13

According to faith died all these, not having received the promises, but having seen them from afar, and been persuaded, and having embraced, and assented that they are strangers and newly arrived from a foreign country upon 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 persuaded that neither death, nor life, nor angels, nor beginnings, nor powers, nor things having stood, nor things about to be,
2 Timothy 1:12
By which cause I also suffer these things: but I am not ashamed: for I know whom I have believed, and have been persuaded that he is able to watch my deposits to that day.
Hebrews 11:13
According to faith died all these, not having received the promises, but having seen them from afar, and been persuaded, and having embraced, and assented that they are strangers and newly arrived from a foreign country upon earth.

He was able

Romans 14:4
Who art thou judging another's servant? to his own lord he stands or falls. And he shall be made to stand: for God is powerful to make him stand.
Genesis 18:14
Shall the word of Jehovah be difficult, at the appointed time? I will return to thee, according to the time of life, and a son to Sarah.
Psalm 115:3
And our God is in the heavens; did all that he delighted in.
Jeremiah 32:17
Thou Lord Jehovah! behold thou madest the heavens and the earth by thy great power and by thine arm stretched forth; any word shall not be separated from thee.
Matthew 19:26
And Jesus having looked up said to them, With men this is impossible, but with God all things are possible.
Luke 1:37
For nothing shall be impossible with God.
2 Corinthians 9:8
And God able for all grace to abound in you; having always all sufficiency in everything, ye abound in every good work:
Hebrews 11:19
Reckoning that God was also able to raise from the dead; whence he also received him in a parable.

General references

Psalm 22:4
In thee our fathers trusted: they trusted, and thou wilt deliver them.