Contradiction with Ecclesiastes 1:14
This verse suggests that all works done under the sun, including human labor, are vanity and vexation of spirit, contrasting the encouragement and reward for work in 2 Chronicles 15:7.
Ecclesiastes 1:14: I have seen all the works that are done under the sun; and, behold, all [is] vanity and vexation of spirit.
Contradiction with Ecclesiastes 2:11
This verse states that all labor and works are ultimately vanity and bring no lasting profit, opposing the promise of reward for steadfast work in 2 Chronicles 15:7.
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 Ecclesiastes 2:22-23
These verses highlight the sorrow and grief associated with human labor, contradicting the assurance of reward for work given in 2 Chronicles 15:7.
Ecclesiastes 2:22-23: For what hath man of all his labour, and of the vexation of his heart, wherein he hath laboured under the sun?
Contradiction with Ecclesiastes 4:4
This verse explains that much labor stems from envy and rivalry, painting a negative picture of labor contrary to the positive encouragement in 2 Chronicles 15:7.
Ecclesiastes 4:4: Again, I considered all travail, and every right work, that for this a man is envied of his neighbour. This [is] also vanity and vexation of spirit. [every...: Heb. all the rightness of work] [for this...: Heb. this is the envy of a man from his neighbour]
Contradiction with Ecclesiastes 4:8
It portrays a solitary laborer who finds no true satisfaction or reward, contrasting the promise of reward for work in 2 Chronicles 15:7.
Ecclesiastes 4:8: There is one [alone], and [there is] not a second; yea, he hath neither child nor brother: yet [is there] no end of all his labour; neither is his eye satisfied with riches; neither [saith he], For whom do I labour, and bereave my soul of good? This [is] also vanity, yea, it [is] a sore travail.