Contradiction with Job 14:1
While Isaiah 26:3 speaks of peace for those who trust in God, Job 14:1 highlights the troubles and turmoil faced by man, suggesting a contrast in experience.
Job 14:1: Man [that is] born of a woman [is] of few days, and full of trouble. [few...: Heb. short of days]
Contradiction with Matthew 10:34
Isaiah 26:3 promises peace to those who trust in God, but Matthew 10:34 indicates that Jesus did not come to bring peace but a sword, implying conflict instead.
Matthew 10:34: Think not that I am come to send peace on earth: I came not to send peace, but a sword.
Contradiction with Jeremiah 20:7
Isaiah 26:3 offers peace through trust, yet Jeremiah 20:7 reveals a sense of deceived trust, as the prophet feels overpowered and derided daily.
Jeremiah 20:7: O LORD, thou hast deceived me, and I was deceived: thou art stronger than I, and hast prevailed: I am in derision daily, every one mocketh me. [was deceived: or, was enticed]
Contradiction with Ecclesiastes 1:18
Isaiah 26:3 speaks of perfect peace through trust, whereas Ecclesiastes 1:18 suggests increased knowledge leads to sorrow, indicating an internal lack of peace.
Ecclesiastes 1:18: For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Contradiction with Luke 12:51
Isaiah 26:3 is about peace for the trusting, but Luke 12:51 suggests division instead of peace, emphasizing familial discord.
Luke 12:51: Suppose ye that I am come to give peace on earth? I tell you, Nay; but rather division: