The Scofield Bible Commentary, by Cyrus Ingerson Scofield, [1917], at sacred-texts.com
advocate
Advocacy is that work of Jesus Christ for sinning saints which He carries on with the Father whereby, because of the eternal efficacy of His own sacrifice, He restores them to fellowship.
Compare (Psa 23:3).
(See Scofield) - (Joh 13:10).
sin
Sin
(See Scofield) - (Rom 3:23).
propitiation
(Greek, "hilasmos", "that which propitiates").
(See Scofield) - (Rom 3:25).
the sins
Omit words "the sins".
world
Greek, "kosmos", means "mankind".
(See Scofield) - (Mat 4:8).
commandments
John uses "commandments"
(1) in the general sense of the divine will, however revealed, "his word"; (Jo1 2:5); and
(2) especially of the law of Christ. (Gal 6:2); (Jo2 1:5).
See also (Joh 15:10-12).
perfect
(See Scofield) - (Mat 5:48).
sins
Sin
(See Scofield) - (Rom 3:23).
little children
The little ones of the family.
(See Scofield) - (Jo1 2:28).
world
Greek, "kosmos", means "world-system". (Jo1 3:13); (Joh 7:7).
(See Scofield) - (Rev 13:8).
went out from us
"Went out from us," that is, doctrinally. Doubtless then, as now, the deniers of the Son (Jo1 2:22); (Jo1 2:23) still called themselves Christians.
Compare (Ti2 1:15).
little children
The general term for all children.