Psalms 63:7

Therefore in the shadow of thy wings - I will get into the very secret of thy presence, into the holy of holies, to the mercy-seat, over which the cherubs extend their wings. If the psalmist does not allude to the overshadowing of the mercy-seat by the extended wings of the cherubim, he may have in view, as a metaphor, the young of fowls, seeking shelter, protection, and warmth under the wings of their mothers. See the same metaphor, Psalm 61:4 (note). When a bird of prey appears, the chickens will, by natural instinct, run under the wings of their mothers for protection.

The old Psalter translates, And in hiling of thi wenges I sall joy. The paraphrase is curious. "Thou art my helper, in perels; and I can joy in gode dedes in thi hiling, (covering), for I am thi bride, (bird), and if thou hil (cover) me noght, the glede (kite) will rawis me, (carry me away.")

Because thou hast been my help - Because thou hast interposed to defend me in danger. The idea is, that he had experienced the divine interposition in times of danger, and that this was a reason why he should still confide in God. The argument is, that God's mercy and favor in the past is a reason why we should confide in him in time to come.

Therefore in the shadow of thy wings will I rejoice - Under the shadow or protection of thy wings will I feel safe. See the notes at Psalm 17:8. Compare Psalm 36:7; Psalm 57:1; Psalm 61:4.