Contradiction with Proverbs 28:26
Proverbs 28:26 implies relying on one's own heart is foolish, whereas Psalms 118:25 suggests reliance on the Lord for salvation and prosperity.
Proverbs 28:26: He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.
Contradiction with Jeremiah 17:5
Jeremiah 17:5 warns against trusting in man, while Psalms 118:25 is a call for trust in God's salvation.
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 James 4:3
James 4:3 suggests that requests may not be granted if asked wrongly or with selfish motives, contrasting with the plea for prosperity in Psalms 118:25.
James 4:3: Ye ask, and receive not, because ye ask amiss, that ye may consume [it] upon your lusts. [lusts: or, pleasures]