Contradiction with Proverbs 12:24
Proverbs 12:24 says that the hand of the diligent will bear rule, which contradicts Proverbs 19:24 that portrays a slothful person unwilling to even lift his hand to his mouth.
Proverbs 12:24: The hand of the diligent shall bear rule: but the slothful shall be under tribute. [slothful: or, deceitful]
Contradiction with Ecclesiastes 9:10
Ecclesiastes 9:10 advises doing whatever your hand finds to do with all your might, in contrast to Proverbs 19:24, which describes laziness.
Ecclesiastes 9:10: Whatsoever thy hand findeth to do, do [it] with thy might; for [there is] no work, nor device, nor knowledge, nor wisdom, in the grave, whither thou goest.
Contradiction with Proverbs 13:4
Proverbs 13:4 states that the soul of the diligent shall be made fat, opposing the slothful reluctance depicted in Proverbs 19:24.
Proverbs 13:4: The soul of the sluggard desireth, and [hath] nothing: but the soul of the diligent shall be made fat.
Contradiction with Proverbs 21:5
The verse says that the thoughts of the diligent lead to plenteousness, whereas Proverbs 19:24 illustrates idleness and lack of initiative.
Proverbs 21:5: The thoughts of the diligent [tend] only to plenteousness; but of every one [that is] hasty only to want.
Contradiction with Colossians 3:23
This verse encourages working heartily as to the Lord, contrasting the laziness described in Proverbs 19:24.
Colossians 3:23: And whatsoever ye do, do [it] heartily, as to the Lord, and not unto men;