His answer to their question [“Then who can be saved?”] is one of the great theological affirmations of the Bible: “With men it is impossible, but not with God, because all things are possible with God.” Salvation is something man cannot accomplish. Left to himself, he will never make it into God’s kingdom and inherit eternal life. Salvation is, has always been, and will always be a divine accomplishment through the perfect atonement and sacrificial death of God’s Son. Done, not do!
— Danny Akin, Exalting Jesus in Mark, 224.