Grace is not like a box of candy that you can send back if you don’t want it. Grace is divine favor, an attitude of God’s own heart. We cannot stop him from loving us, if he chooses to do so. Nor can we stop him from giving us blessings of salvation: regeneration, justification, adoption, sanctification, glorification. His purpose in us will certainly be fulfilled, Phil. 1:6, Eph. 1:11. – John Frame
I got this quote from a post today from Monergism Books.