{Bitter jealousy} (z(886c)on pikron). Z(886c)os occurs in N.T.
in good sense ( Joh 2:17 ) and bad sense ( Ac 5:17 ). Pride of
knowledge is evil ( 1Co 8:1 ) and leaves a bitter taste. See
"root of bitterness" in  Heb 12:14  (cf.  Eph 4:31 ). This is a
condition of the first class. {Faction} (erithian). Late word,
from erithos (hireling, from eritheu(935c) to spin wool), a
pushing forward for personal ends, partisanship, as in  Php
1:16 . {In your heart} (en t(8869) kardi(8369) hum(936e)). The real
fountain (p(8867)(885c), verse  11 ). {Glory not} (m(8820)katakauch(8373)the).
Present middle imperative of katakauchaomai, for which see
 2:13 . Wisdom is essential for the teacher. Boasting arrogance
disproves the possession of wisdom. {Lie not against the truth}
(pseudesthe kata t(8873) al(8874)heias). Present middle imperative of
pseudomai, old verb, to play false, with m(885c) carried over.
Lying against the truth is futile. By your conduct do not belie
the truth which you teach; a solemn and needed lesson. Cf.  Ro
1:18f., 2:18,20 .