{Knowing} (gin(9373)kontes). Present active participle of
gin(9373)k(935c) (experimental knowledge, the only way of getting this
view of "trials" as "all joy"). {The proof} (	o dokimion). Now
known (Deissmann, _Bible Studies_, pp. 259ff.) from the papyri
examples of dokimios as an adjective in the same sense (good
gold, standard gold) as dokimos proved or tested ( Jas 1:12 ).
The use of 	o dokimion (neuter article with neuter single
adjective) here and in  1Pe 1:7 , clearly means "the genuine
element in your faith," not "crucible" nor "proving." Your faith
like gold stands the test of fire and is approved as standard.
James here, as in verse  6  2:1  5:15 , regards faith (pistis)
like Paul "as the very foundation of religion" (Mayor). {Worketh}
(katergazetai). Present (durative) middle indicative of the
compound verb with the perfective sense of kata as in  Php
2:12 , which see. {Patience} (hupomon(886e)). Old and common word
for remaining under (hupomen(935c)), "staying power" (Ropes), as in
 Col 1:11 .