Psalm 51:11. Cast me not away from Thy face, and take not Thy Holy Spirit from me.

AELW 12:382

"He confesses that he has the Holy Spirit, but not perfectly or totally. These are only the first fruits of the Spirit (Rom. 8:23). After this life it will come to pass that we shall attain the fullness of the Spirit, and shall be as He is (1 John 3:2). Thus these two things should be combined, that through the Holy Spirit we might be saved from all iniquities, inwardly and outwardly, in the spirit and in the flesh, that our hearts might become a pure dwelling place (Eph. 2:22), in which no entrance is open for the return of the unclean spirit, as Christ teaches in the Gospel (Luke 11:24)"