Grace and Truth in Proverbs

Proverbs 3:3-4
New King James Version (NKJV)

3 Let not mercy and truth forsake you;
Bind them around your neck,
Write them on the tablet of your heart,
4 And so find favor and high esteem
In the sight of God and man.

Proverbs 14:22
New King James Version (NKJV)

22 Do they not go astray who devise evil?
But mercy and truth belong to those who devise good.

Proverbs 16:6
New King James Version (NKJV)

6 In mercy and truth
Atonement is provided for iniquity;
And by the fear of the Lord one departs from evil.

Proverbs 20:28
New King James Version (NKJV)

28 Mercy and truth preserve the king,
And by lovingkindness he upholds his throne.