Contradiction with Matthew 6:6
Contradicts Psalms 142:1 as it advises praying in private rather than crying out loud.
Matthew 6:6: But thou, when thou prayest, enter into thy closet, and when thou hast shut thy door, pray to thy Father which is in secret; and thy Father which seeth in secret shall reward thee openly.
Contradiction with Proverbs 29:11
Contradicts Psalms 142:1 by suggesting that a wise person holds back emotion rather than expressing turmoil aloud.
Proverbs 29:11: A fool uttereth all his mind: but a wise [man] keepeth it in till afterwards.
Contradiction with Ecclesiastes 5:2
Contradicts Psalms 142:1 by advising against being hasty with words before God, while Psalms 142:1 involves an urgent outcry.
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]