Verse 1
1 John 3:1
1 John 3:1 See what kind of love the Father has given to us, that we should be called children of God; and so we are. The reason why the world does not know us is that it did not know him.
Astonishment at God’s love. From 2:28 on we have 46 occurances of "love", all the same Greek word.
John 3:16
Behold -- Plural; "Look at, see" "take notice"
What manner of love. -
Called -- BKC "In the Bible the word “called” indicates that this is what one actually is (cf. “called to be holy,” lit., “called saints” [1 Cor. 1:2])."
Sons -- The word "sons" (KJ) is not Huios (sons), but teknon, "born children,"
World not know us -- the world that lies in wickedness. MH "Little does the world perceive the advancement and happiness of the genuine followers of Christ." Barnes "Does not understand our principles; the reasons of our conduct; the sources of our comforts and joys."
Not know Him -- John 1:10