In Deuteronomy 32:14, this signifies the celestial of love and charity. (Arcana Coelestia 3884[4])

In Revelation 2:23, this signifies that the Lord sees the quality of the truth with everyone–that is to say, all the things which a man believes and loves: this is from the correspondence of the kidneys purifying blood reflecting how the truth of faith purifies a man from his falsities. (Apocalypse Revealed 140)

In Jeremiah 12:2, this signifies truth in the mind but not seen in action or desire. (Apocalypse Explained 167)

In Jeremiah 17:10, this signifies the purification of truth by separating it from what is false. (Apocalypse Explained 167[3])

In Psalm 51:6, this signifies both purification and separation. (Apocalypse Explained 167[4])

In Psalm 16:7, this signifies combatting truth with falsities. (Apocalypse Explained 167[5])

In Psalm 139:13, this signifies knowing the falsities and truths of man. (Apocalypse Explained 167[6])