Contradiction with Proverbs 14:23
This verse suggests that mere talk leads to poverty, while that contradicts Psalms 126:6 where laboring with weeping leads to joy.
Proverbs 14:23: In all labour there is profit: but the talk of the lips [tendeth] only to penury.
Contradiction with Ecclesiastes 2:11
It states that labor can be vanity and profitless, contradicting the profitable result of labor in Psalms 126:6.
Ecclesiastes 2:11: Then I looked on all the works that my hands had wrought, and on the labour that I had laboured to do: and, behold, all [was] vanity and vexation of spirit, and [there was] no profit under the sun.
Contradiction with Job 5:6-7
Implies that trouble and hardship are inherent to man, lacking the guaranteed joy mentioned in Psalms 126:6.
Job 5:6-7: Although affliction cometh not forth of the dust, neither doth trouble spring out of the ground; [affliction: or, iniquity]
Contradiction with Matthew 6:19-20
Advises storing treasures in heaven not through earthly labors, contrasting the material harvest in Psalms 126:6.
Matthew 6:19-20: Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal: