Love is indefinite to most of us, we do not know what we mean when we talk about love. Love is the sovereign preference of one person for another, and spiritually Jesus demands that that preference be for Himself (cf. Luke 14:26). When the love of God is shed abroad in our hearts by the Holy Ghost, Jesus Christ is easily first; then we must practise the working out of these things mentioned by Peter.
"Add" means there is something we have to do. We are in danger of forgetting that we cannot do what God does, and that God will not do what we can do. We cannot save ourselves nor sanctify ourselves, God does that; but God will not give us good habits, He will not give us character, He will not make us walk aright. We have to do all that ourselves, we have to work out the salvation God has worked in. "Add" means to get into the habit of doing things, and in the initial stages it is difficult. To take the initiative is to make a beginning, to instruct yourself in the way you have to go.
There is a difference between an ideal and a vision. An ideal has no moral inspiration; a vision has. The people who give themselves over to ideals rarely do anything. A man’s conception of Deity may be used to justify his deliberate neglect of his duty. Jonah argued that because God was a God of justice and of mercy, therefore everything would be all right. I may have a right conception of God, and that may be the very reason why I do not do my duty. But wherever there is vision, there is also a life of rectitude because the vision imparts moral incentive.
Patience is more than endurance. A saint’s life is in the hands of God like a bow and arrow in the hands of an archer. God is aiming at something the saint cannot see, and He stretches and strains, and every now and again the saint says – "I cannot stand any more." God does not heed, He goes on stretching till His purpose is in sight, then He lets fly. Trust yourself in God’s hands. For what have you need of patience just now? Maintain your relationship to Jesus Christ by the patience of faith. "Though He slay me, yet will I wait for Him."
Our Lord refers not to a cost we have to count, but to a cost which He has counted. The cost was those thirty years in Nazareth, those three years of popularity, scandal and hatred, the deep unfathomable agony in Gethsemane, and the onslaught at Calvary – the pivot upon which the whole of Time and Eternity turns. Jesus Christ has counted the cost. Men are not going to laugh at Him at last and say – "This man began to build, and was not able to finish."