In this verse, Mary praises God for remembering His promise to Abraham and his descendants, showing mercy to them. She acknowledges that God's faithfulness extends to all generations, fulfilling the covenant He made with Abraham. Mary's words reflect the fulfillment of God's plan through the birth of Jesus, who would bring salvation not only to the Jews but to all people. This verse highlights the continuity of God's redemptive work throughout history and His grace towards those who trust in Him.