Contradiction with Proverbs 17:28
Proverbs 17:28 suggests keeping silent can be wise and beneficial, contrasting Job 37:20 which questions why one would speak to God knowing they cannot properly convey their thoughts.
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 Ecclesiastes 5:2
Ecclesiastes 5:2 advises being careful with words before God, yet Job 37:20 reflects on how one might speak unwisely about God.
Ecclesiastes 5:2: Be not rash with thy mouth, and let not thine heart be hasty to utter [any] thing before God: for God [is] in heaven, and thou upon earth: therefore let thy words be few. [thing: or, word]
Contradiction with James 1:19
James 1:19 encourages being slow to speak, whereas Job 37:20 illustrates the rashness or danger of speaking when one might not understand.
James 1:19: Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath: