1 John 3:8
He that commits sin is of the devil; for the devil sins from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the devil.
Topicalbible.org—AKJV

2 Peter 2:1-22
But there were false prophets also among the people, even as there shall be false teachers among you, who privately shall bring in damnable heresies, even denying the Lord that bought them, and bring on themselves swift destruction.
Topicalbible.org—AKJV