Romans 4:21

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

Hebrews 11:19

judging that God was able to raise even from the dead; whence also in a figure he received him.

2 Timothy 1:12

for which cause I suffer these things; but I am not ashamed; for I know in whom I have believed, and am persuaded that he is able to keep my trust to that day.

Matthew 19:26

But Jesus looking on them, said, With men this is impossible; but with God all things are possible.

Luke 1:37

for nothing is impossible with God.

Luke 1:45

And blessed is she that believed; for there shall be an accomplishment of the words spoken to her by the Lord.

Romans 8:38

For I am persuaded that neither death nor life, nor angels nor principalities, nor things present nor things to come, nor powers,

Romans 14:4

Who are you that judge another man's servant? To his master he stands or falls; and he shall be made to stand, for God is able to make him stand.

2 Corinthians 9:8

And God is able to make every favor abound to you, that having always every sufficiency in every thing you may abound in every good work;

Hebrews 11:13

All these died in faith not having received the promises, but having seen and saluted them from a distance, and having professed that they were foreigners and strangers on the earth.

Treasury of Scripture Knowledge

Summary

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

Bible References

Fully

Romans 8:38
For I am persuaded that neither death nor life, nor angels nor principalities, nor things present nor things to come, nor powers,
2 Timothy 1:12
for which cause I suffer these things; but I am not ashamed; for I know in whom I have believed, and am persuaded that he is able to keep my trust to that day.
Hebrews 11:13
All these died in faith not having received the promises, but having seen and saluted them from a distance, and having professed that they were foreigners and strangers on the earth.

He was able

Romans 14:4
Who are you that judge another man's servant? To his master he stands or falls; and he shall be made to stand, for God is able to make him stand.
Matthew 19:26
But Jesus looking on them, said, With men this is impossible; but with God all things are possible.
Luke 1:37
for nothing is impossible with God.
2 Corinthians 9:8
And God is able to make every favor abound to you, that having always every sufficiency in every thing you may abound in every good work;
Hebrews 11:19
judging that God was able to raise even from the dead; whence also in a figure he received him.