Verses 4–6
world
kosmos = world-system. Revelation 11:15; John 7:7. (See Scofield "Revelation 13:8").
Verse 7
v. 7
It is generally agreed that v.7 has no real authority, and has been inserted. 1 John 5:7.
Verses 8–15
in earth Omit "in earth."
agree Or, are to one point or purpose.
Verses 16–21
sin
Sin. (See Scofield "Romans 3:23").