Jude 1:3-4 - Jude's Purpose In Writing
3 Beloved, while giving all diligence to write to you of the common salvation, I was constrained to write to you, exhorting you to contend earnestly for the faith once for all delivered to the saints. 4 For there crept in stealthily certain men, who of old were set forth for this condemnation, ungodly men, changing the grace of our God into lasciviousness; and denying the only Master and our Lord Jesus Christ.