1 John 3:19

And by this we know that we are of the truth, and shall assure our hearts before him.

Isaiah 32:17

And the work of righteousness shall be peace; and the effect of righteousness quietness and assurance forever.

John 13:35

By this shall all men know that you are my disciples, if you have love one to another.

John 18:37

Pilate therefore said unto him, Are you a king then? Jesus answered, You say that I am a king. To this end was I born, and for this cause came I into the world, that I should bear witness unto the truth. Every one that is of the truth hears my voice.

Romans 4:21

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

Romans 8:38

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

2 Timothy 1:12

For the which cause I also suffer these things: nevertheless I am not ashamed: for I know whom I have believed, and am persuaded that he is able to keep that which I have committed unto him against that day.

Hebrews 6:10-11

For God is not unrighteous to forget your work and labor of love, which you have showed toward his name, in that you have ministered to the saints, and do minister.

Hebrews 10:22

Let us draw near with a true heart in full assurance of faith, having our hearts sprinkled from an evil conscience, and our bodies washed with pure water.

Hebrews 11:13

These all died in faith, not having received the promises, but having seen them afar off, and were persuaded of them, and embraced them, and confessed that they were strangers and exiles on the earth.

1 John 1:8

If we say that we have no sin, we deceive ourselves, and the truth is not in us.

1 John 3:14

We know that we have passed from death unto life, because we love the brethren. He that loves not his brother abides in death.

1 John 3:21

Beloved, if our heart condemns us not, then have we confidence toward God.

Treasury of Scripture Knowledge

Summary

And hereby we know that we are of the truth, and shall assure our hearts before him.

Bible References

Shall

1 John 3:21
Beloved, if our heart condemns us not, then have we confidence toward God.
Isaiah 32:17
And the work of righteousness shall be peace; and the effect of righteousness quietness and assurance forever.
Hebrews 6:10
For God is not unrighteous to forget your work and labor of love, which you have showed toward his name, in that you have ministered to the saints, and do minister.
Hebrews 10:22
Let us draw near with a true heart in full assurance of faith, having our hearts sprinkled from an evil conscience, and our bodies washed with pure water.

Assure

Romans 4:21
And being fully persuaded that, what he had promised, he was able also to perform.
Romans 8:38
For I am persuaded, that neither death, nor life, nor angels, nor principalities, nor powers, nor things present, nor things to come,
2 Timothy 1:12
For the which cause I also suffer these things: nevertheless I am not ashamed: for I know whom I have believed, and am persuaded that he is able to keep that which I have committed unto him against that day.
Hebrews 11:13
These all died in faith, not having received the promises, but having seen them afar off, and were persuaded of them, and embraced them, and confessed that they were strangers and exiles on the earth.