12/8/09 V. 13, The truly wise and understanding will show in gentleness and good behavior. So if someone is not gentle with good behavior it shows the opposite: that he is not wise and does not have understanding of spiritual things.
V. 14, Each of us must search our own hearts to understand what lurks there. When we see what is there in all honesty we must be humble so that we don’t end up being hypocrites and actors pretending to be what we are not so that we don’t discredit the gospel of Jesus. We can still preach the good news but with the meekness of one who realizes he is a work in progress and admits his own faults.
V. 15, The “wisdom” that presents an arrogant “righteousness” comes from the powers of evil.
V. 16, This is the way of evil: disorder, jealousy, and ambition. Where such things exist evil is there.
V. 17, Real wisdom, on the other hand, is pure, peace loving, gentle, reasonable, full of mercy and good deeds, firm and unwavering, and honest about the work that still needs to be done in the life.
V. 18, Lit: “And the fruit of righteousness is sown in peace for those making peace.” James’ meaning is a little muddled in this verse judging by the difference in translations. But from the overall context it seems pretty clear that peace is the result of the kind of wisdom and understanding that James has been describing.