1:1-8 All true Christians are brethren one to another. Faithfulness runs through every character and relation of the Christian life. Faith, hope, and love, are the three principal graces in the Christian life, and proper matter for prayer and thanksgiving. The more we fix our hopes on the reward in the other world, the more free shall we be in doing good with our earthly treasure. It was treasured up for them, no enemy could deprive them of it. The gospel is the word of truth, and we may safely venture our souls upon it. And all who hear the word of the gospel, ought to bring forth the fruit of the gospel, obey it, and have their principles and lives formed according to it. Worldly love arises, either from views of interest or from likeness in manners; carnal love, from the appetite for pleasure. To these, something corrupt, selfish, and base always cleaves. But Christian love arises from the Holy Spirit, and is full of holiness.

4. Since we heard—literally, "Having heard." The language implies that he had only heard of, and not seen, them (Col 2:1). Compare Ro 1:8, where like language is used of a Church which he had not at the time visited.

love … to all—the absent, as well as those present [Bengel].