Contradiction with Matthew 10:34
John 16:33 speaks of peace in tribulation, while Matthew 10:34 mentions Jesus bringing not peace, but a sword.
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 16:33 promises peace, but Luke 12:51 states Jesus brings division instead of peace.
Luke 12:51: Suppose ye that I am come to give peace on earth? I tell you, Nay; but rather division:
Contradiction with Jeremiah 6:14
John 16:33 assures true peace in Jesus, contrasting with the false peace and healing declared in Jeremiah.
Jeremiah 6:14: They have healed also the hurt [of the daughter] of my people slightly, saying, Peace, peace; when [there is] no peace. [hurt: Heb. bruise, or, breach]
Contradiction with Ezekiel 13:10
John 16:33 speaks of peace from Jesus’ victory, while Ezekiel 13:10 criticizes prophets who declare peace when there is none.
Ezekiel 13:10: Because, even because they have seduced my people, saying, Peace; and [there was] no peace; and one built up a wall, and, lo, others daubed it with untempered [morter]: [a wall: or, a slight wall]
Contradiction with 1 Thessalonians 5:3
John 16:33 offers peace in Jesus, while 1 Thessalonians warns of sudden destruction despite false declarations of peace.
1 Thessalonians 5:3: For when they shall say, Peace and safety; then sudden destruction cometh upon them, as travail upon a woman with child; and they shall not escape.