“For by grace you have been saved through faith, and that not of yourselves; it is the gift of God…” Ephesians 2:8
To be saved means to be delivered and rescued from the penalty and power of sin and brought into the presence and provisions of God. This could never be achieved by our own selves. Only God could do it, and He did it in Christ for us. He saved us, and He keeps us saved. The saving and the keeping are both His work.