Contradiction with Proverbs 17:28
Job 32:15 suggests confusion and lack of words, while Proverbs 17:28 indicates silence is wisdom, not confusion.
Proverbs 17:28: Even a fool, when he holdeth his peace, is counted wise: [and] he that shutteth his lips [is esteemed] a man of understanding.
Contradiction with Matthew 10:19
Job 32:15 implies uncertainty in speech, whereas Matthew 10:19 assures believers they will be given words to speak.
Matthew 10:19: But when they deliver you up, take no thought how or what ye shall speak: for it shall be given you in that same hour what ye shall speak.
Contradiction with Ecclesiastes 9:10
Job 32:15 shows hesitation, but Ecclesiastes 9:10 encourages doing everything with might and determination.
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 2 Timothy 1:7
Job 32:15 describes being confounded, yet 2 Timothy 1:7 speaks of power and a sound mind, not fear or confusion.
2 Timothy 1:7: For God hath not given us the spirit of fear; but of power, and of love, and of a sound mind.
Contradiction with 1 Corinthians 14:33
Job 32:15 shows bewilderment, but 1 Corinthians 14:33 states God is not the author of confusion.
1 Corinthians 14:33: For God is not [the author] of confusion, but of peace, as in all churches of the saints. [confusion: Gr. tumult, or, unquietness]