New Defender's Study Bible Notes
139:17 thy thoughts. We should desire to think God’s thoughts after Him, as the early scientists (e.g., Kepler, Newton, Maxwell) used to say. He knows our thoughts (Psalm 139:2), and we should seek diligently to bring all our thoughts “into captivity to the obedience of Christ” (II Corinthians 10:5). We can never exhaust the mind of Christ or the Word of God!