1 John 3:19

We will know by this that we are of the truth, and will assure our heart before Him

Isaiah 32:17

And the work of righteousness will be peace,
And the service of righteousness, quietness and confidence forever.

John 13:35

By this all men will know that you are My disciples, if you have love for one another.”

John 18:37

Therefore Pilate said to Him, “So You are a king?” Jesus answered, You say correctly that I am a king. For this I have been born, and for this I have come into the world, to testify to the truth. Everyone who is of the truth hears My voice.”

Romans 4:21

and being fully assured that what God had promised, He was able also to perform.

Romans 8:38

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

2 Timothy 1:12

For this reason I also suffer these things, but I am not ashamed; for I know whom I have believed and I am convinced that He is able to guard what I have entrusted to Him until that day.

Hebrews 6:10-11

For God is not unjust so as to forget your work and the love which you have shown toward His name, in having ministered and in still ministering to the saints.

Hebrews 10:22

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

Hebrews 11:13

All these died in faith, without receiving the promises, but having seen them and having welcomed them from a distance, and having confessed that they were strangers and exiles on the earth.

1 John 1:8

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

1 John 3:14

We know that we have passed out of death into life, because we love the brethren. He who does not love abides in death.

1 John 3:21

Beloved, if our heart does not condemn us, we have confidence before 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 does not condemn us, we have confidence before God;
Isaiah 32:17
And the work of righteousness will be peace,
And the service of righteousness, quietness and confidence forever.
Hebrews 6:10
For God is not unjust so as to forget your work and the love which you have shown toward His name, in having ministered and in still ministering to the saints.
Hebrews 10:22
let us draw near with a sincere heart in full assurance of faith, having our hearts sprinkled clean from an evil conscience and our bodies washed with pure water.

Assure

Romans 4:21
and being fully assured that what God had promised, He was able also to perform.
Romans 8:38
For I am convinced that neither death, nor life, nor angels, nor principalities, nor things present, nor things to come, nor powers,
2 Timothy 1:12
For this reason I also suffer these things, but I am not ashamed; for I know whom I have believed and I am convinced that He is able to guard what I have entrusted to Him until that day.
Hebrews 11:13
All these died in faith, without receiving the promises, but having seen them and having welcomed them from a distance, and having confessed that they were strangers and exiles on the earth.