James
James 4:9BSB·traditional attribution

Grieve, mourn, and weep. Turn your laughter to mourning, and your joy to gloom.

John Calvin Reformed @genevareformer

9 Be afflicted and mourn. Christ denounces mourning on those who laugh, as a curse, (Luke 6:25;) and James, in what shortly follows, alluding to the same words, threatens the rich with mourning. But here he speaks of that salutary mourning or sorrow which leads us to repentance. He addresses those who, being inebriated in their minds, did not perceive God’s judgment.

Matthew Henry Presbyterian @wholebiblehenry

The former chapter speaks of envying one another, as the great spring of strifes and contentions; this chapter speaks of a lust after worldly things, and a setting too great a value upon worldly pleasures and friendships, as that which carried their divisions to a shameful height. I.

Commenting on James 4:1-10

John Gill Reformed Baptist @doctorgill

Be afflicted, and mourn, and weep,.... Not in a bare external way; not by afflicting the body with fastings and scourgings, by renting of garments, and clothing with sackcloth, and putting ashes on the head, and other such outward methods of humiliation; but afflicting the soul is meant, an inward mourning and weeping over the plague of the heart, the impurity of nature, and the...