To be known is to be loved. This knowing, however, is one of intimacy. This intimate relationship can not be said for all men and women, as Jesus utters the grim warning to many in Matthew 7 that there will be some who hear, "I never knew you".
But for those who have received grace, this grace came only by God's doing – not of our own. It is a grace that came to us because we were foreknown before the foundation of the world (Eph. 1:4).
Paul explains in his letter to the Romans, "And we know that for those who love God all things work together for good, for those who are called according to his purpose. For those whom he foreknew he also predestined to be conformed to the image of his Son, in order that he might be the firstborn among many brothers. And those whom he predestined he also called, and those whom he called he also justified, and those whom he justified he also glorified." – Romans 8:28-32
The reminder set forth in this passage is one of grace – pure grace. It is by this grace alone that we are ultimately glorified and enter into eternity with our Lord and savior.