James 5:19-20
My brothers, if anyone among you wanders from the truth and someone brings him back, let him know that whoever brings back a sinner from his wandering will save his soul from death and will cover a multitude of sins.

None but the Spirit of Truth can write God's Law on my heart. Here, then, is the first and most essential qualification for understanding and interpreting the Scriptures, namely a mind illuminated by the Holy Spirit.
A.W. Pink