The book of James is a part of the biblical wisdom literature (along with Job, Proverbs, etc.). This is the James who is a half-brother to Jesus. Heed 1:5!
So do you agree with James’ assessment of temptation, that we can only be tempted when we lust? In other words if we can control our appetites, we cannot be tempted (1:13-15)!
“Be quick to hear, slow to speak, and slow to anger!” (1:19-20). Easier said than done, but well worth the effort to achieve. “Prove yourselves DOERS of the word and not merely hearers of the word” (22-25). James, like Paul, can go quickly from preaching to meddling! In verse 26 he reminds us that one who loves God can control his tongue.
There is nothing wrong with judging, as long as one judges with right motives (2:4).
James gives us a wonderful treatise on faith and works: 2:14-20 ).
He returns to the tongue in chapter three stating that even though man has tamed all sorts of creatures he cannot tame his tongue. “It is a restless evil, full of deadly poison” (3:8).
“You sin because you do not have, and you do not have because you have not asked God for it” (4:1-3). Verses 7-10 tell us how to behave toward God and to resist the devil so that he flees from us. “The one who knows the right thing to do and does not do it, that is sin!” (4:17).
Note that he says in 5:3 that they were then in the last days! That is, the last days of the Old Testament/covenant era.
Proverbs: The one who hates injustice will live long (and presumably blessed), his counterpart will not. The diligent worker will be rewarded for his efforts while the lazy one will starve. If someone needs rebuke, do so; the end result will be much better than ignoring (and therefore condoning) his bad behavior.