Contradiction with Psalm 44:23
While Proverbs 18:10 speaks of the Lord as a strong tower for the righteous, Psalm 44:23 questions why God appears to be inactive and not providing protection.
Psalm 44:23: Awake, why sleepest thou, O Lord? arise, cast [us] not off for ever.
Contradiction with Lamentations 3:8
Proverbs 18:10 offers assurance of safety in God's name, whereas Lamentations 3:8 describes God not listening to prayers despite calling on His name.
Lamentations 3:8: Also when I cry and shout, he shutteth out my prayer.
Contradiction with Matthew 27:46
Proverbs 18:10 states that God is a refuge, but Matthew 27:46 depicts Jesus feeling forsaken by God at a critical moment.
Matthew 27:46: And about the ninth hour Jesus cried with a loud voice, saying, Eli, Eli, lama sabachthani? that is to say, My God, my God, why hast thou forsaken me?
Contradiction with Psalm 22:1
While Proverbs 18:10 asserts God's defense for the righteous, Psalm 22:1 portrays a feeling of abandonment by God.
Psalm 22:1: [To the chief Musician upon Aijeleth Shahar, A Psalm of David.] My God, my God, why hast thou forsaken me? [why art thou so] far from helping me, [and from] the words of my roaring? [Aijeleth...: or, the hind of the morning] [helping...: Heb. my salvation]
Contradiction with Habakkuk 1:2
Proverbs 18:10 implies God's readiness to protect, whereas Habakkuk 1:2 questions why God appears silent in times of trouble.
Habakkuk 1:2: O LORD, how long shall I cry, and thou wilt not hear! [even] cry out unto thee [of] violence, and thou wilt not save!