This is the basic argument of To Gaze upon God: that we who now see as if behind a veil will one day enjoy the unveiled splendor of God himself, who will dwell with us forever.
When we forget that we live by promise, that's when the danger tends to creep in. Because failing to embrace promise means we usually fall back into notions of luck, or even worse--into works.
To say that whoever loves has been born of God is also to say that those who are born of God are recipients of love. They do not have God because they love but because they are loved.