The Scofield Bible Commentary, by Cyrus Ingerson Scofield, [1917], at sacred-texts.com
angels
(See Scofield) - (Heb 1:4).
whose faith
Literally, considering the issue of the conversation of whom, imitate the faith.
with grace
Grace (imparted). (Jam 4:6); (Rom 6:1); (Pe2 3:18).
communicate
Or, share what you have with others.
Compare (Rom 12:13); (Gal 6:6).
perfect
(See Scofield) - (Mat 5:48).