Contradiction with Jeremiah 17:5
This verse states that cursed is the man that trusts in man, which contrasts with Psalms 142:5 emphasizing trust in God alone as one’s portion.
Jeremiah 17:5: Thus saith the LORD; Cursed [be] the man that trusteth in man, and maketh flesh his arm, and whose heart departeth from the LORD.
Contradiction with Proverbs 3:5
This verse advises to trust in the Lord with all thine heart and not lean on one's own understanding, which can be seen as contradicting if someone interprets relying on personal understanding as their portion.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with Lamentations 3:24
The Lord is my portion, saith my soul, therefore I will hope in him, aligning more than contradicting but offering a similar yet different perspective on God as one's portion.
Lamentations 3:24: The LORD [is] my portion, saith my soul; therefore will I hope in him.
Contradiction with Matthew 6:19-21
This passage encourages not laying up treasures on earth but in heaven, potentially seen as a contradiction if "portion" in Psalms 142:5 is interpreted materially.
Matthew 6:19-21: Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal: