James 4:1 Where do wars and fightings among you come from? Don’t they come from your pleasures that war in your members? 2 You lust, and don’t have. You murder (James-3 curse) and covet, and can’t obtain. You fight and make war. You don’t have, because you don’t ask. 3 You ask, and don’t receive, because you ask with wrong motives, so that you may spend it on your pleasures. 4 You adulterers and adulteresses, don’t you know that friendship with the world is hostility toward God? Whoever therefore wants to be a friend of the world makes himself an enemy of God. 5 Or do you think that the Scripture says in vain, “The Spirit who lives in us yearns jealously”? 6 But he gives more grace. Therefore it says, “God resists the proud, but gives grace to the humble.” 7 Be subject therefore to God. Resist the devil, and he will flee from you. 8 Draw near to God, and he will draw near to you. Cleanse your hands, you sinners. Purify your hearts, you double-minded. 9 Lament, mourn, and weep. Let your laughter be turned to mourning, and your joy to gloom. 10 Humble yourselves in the sight of the Lord, and he will exalt you.

In this article, I show where James says a lot of these curses come from: James-3 cursing: