Contradiction with Matthew 10:34
While John 17:26 speaks on the love of God being known and imparted, Matthew 10:34 speaks of bringing division rather than peace, which contrasts with the theme of unity and love.
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 Luke 12:51
John 17:26 emphasizes the love of God, but Luke 12:51 suggests that Jesus brought division, contradicting the unifying aspect of God's love.
Luke 12:51: Suppose ye that I am come to give peace on earth? I tell you, Nay; but rather division:
Contradiction with 1 Corinthians 14:33
John 17:26 speaks of God’s love leading to unity, while 1 Corinthians 14:33 states that God is not the author of confusion, implying a potential for lack of unity.
1 Corinthians 14:33: For God is not [the author] of confusion, but of peace, as in all churches of the saints. [confusion: Gr. tumult, or, unquietness]