Job 27:6

“I hold fast my righteousness and will not let it go.
My heart does not reproach any of my days.

Job 2:3

The Lord said to Satan, “Have you considered My servant Job? For there is no one like him on the earth, a blameless and upright man fearing God and turning away from evil. And he still holds fast his integrity, although you incited Me against him to ruin him without cause.”

Acts 24:16

In view of this, I also do my best to maintain always a blameless conscience both before God and before men.

Psalm 18:20-23

The Lord has rewarded me according to my righteousness;
According to the cleanness of my hands He has recompensed me.

Proverbs 4:13

Take hold of instruction; do not let go.
Guard her, for she is your life.

2 Corinthians 12:11

I have become foolish; you yourselves compelled me. Actually I should have been commended by you, for in no respect was I inferior to the most eminent apostles, even though I am a nobody.

1 John 3:20-21

in whatever our heart condemns us; for God is greater than our heart and knows all things.

Treasury of Scripture Knowledge

Summary

My righteousness I hold fast, and will not let it go: my heart shall not reproach me so long as I live.

General references

Bible References

I hold fast

Job 2:3
The Lord said to Satan, “Have you considered My servant Job? For there is no one like him on the earth, a blameless and upright man fearing God and turning away from evil. And he still holds fast his integrity, although you incited Me against him to ruin him without cause.”
Psalm 18:20
The Lord has rewarded me according to my righteousness;
According to the cleanness of my hands He has recompensed me.
Proverbs 4:13
Take hold of instruction; do not let go.
Guard her, for she is your life.

My heart

Acts 24:16
In view of this, I also do my best to maintain always a blameless conscience both before God and before men.
2 Corinthians 12:11
I have become foolish; you yourselves compelled me. Actually I should have been commended by you, for in no respect was I inferior to the most eminent apostles, even though I am a nobody.
1 John 3:20
in whatever our heart condemns us; for God is greater than our heart and knows all things.

General references

1 John 3:21
Beloved, if our heart does not condemn us, we have confidence before God;