Hath holpen - Hath helped or assisted. The word rendered “holpen” denotes properly, “to take hold of one, to help him up when he is in danger of falling,” and here means that God had succored his people when they were feeble, and were in danger of falling or being overthrown.
His servant Israel - His people the Israelites, or those who truly revered him and kept His commandments. See Isaiah 41:8-9; Hosea 11:1.
In remembrance of his mercy - Or that His mercy may be remembered.