Contradiction with Matthew 10:34
Jesus states he came not to send peace, but a sword, contradicting the blessing of peace in Jude 1:2.
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 6:14
It speaks of false peace being declared when there is no true peace, opposing the genuine peace wished in Jude 1:2.
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 Micah 3:5
Prophets promise peace as a way to deceive, contrasting the sincere wish for peace and mercy in Jude 1:2.
Micah 3:5: Thus saith the LORD concerning the prophets that make my people err, that bite with their teeth, and cry, Peace; and he that putteth not into their mouths, they even prepare war against him.
Contradiction with 1 Thessalonians 5:3
When people say "Peace and safety," destruction comes, contrasting the assured peace in Jude 1:2.
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.