The Inner Meaning of the Prophets and Psalms #301
301. Internal Meaning of Psalm 51
1-5 Prayer that He may be purified of the infirmities derived from the mother (13, 16)
6-10 If He be purified of them He will be pure, (13)
13-15 So will He teach Divine truths. (10, 16)
16-17 Not external, but internal worship. (11)
18-19 He will institute a church, in which will be worship from good. (11)