Jude 1:3

Overview - Jude 1
1	He exhorts them to be constant in the profession of the faith.
4	False teachers are crept in to seduce them, for whose evil doctrine and manners horrible punishment is prepared;
20	whereas the godly, by the assistance of the Holy Spirit, and prayers to God, may persevere, and grow in grace, and keep themselves, and recover others out of the snares of those deceivers.

Jude 1:3  (King James Version)
Beloved, when I gave all diligence to write unto you of the common salvation, it was needful for me to write unto you, and exhort you that ye should earnestly contend for the faith which was once delivered unto the saints.