Psalms 71:5

“For thou [art] my hope, O Lord God, etc.] The object, ground, and foundation of it, even of present deliverance, and of future and eternal salvation; [thou art] my trust from my youth; in whom he trusted in his youthful days, of which there is an eminent instance in (<091733>1 Samuel 17:33-45).”

“For thou art my hope, O Lord God - The ground of my hope and my expectation is in thee. (1) I have no other help; no other defense; but (2) I “have” confidence; on thee I “do” rely. Thou art my trust from my youth - From my earliest years. The meaning is, that he had always trusted in God, and had always found him a helper. All that he was, and all that he possessed, he owed to God; and he felt now that God had been his protector from his earliest years. Perhaps it could not be shown certainly from this expression that he meant to say he had “actually trusted” in God from his youth, for the “language” means no more than that God had actually protected him, and holden him up, and had…”

“71:5-6 The psalmist has trusted God throughout his life (see 22:9).”

“For thou: Psa 13:5, Psa 39:7, Psa 42:11, Psa 119:81, Psa 119:166; Jer 17:7, Jer 17:13, Jer 17:17; Rom 15:13 my trust: Psa 71:17, Psa 22:9, Psa 22:10; Sa1 16:13, Sa1 17:33-37, Sa1 17:45-47; Ecc 12:1; Luk 2:40; Ti2 3:15 Psalms 71:6”