⁴ For it is impossible to restore again to repentance those who have once been enlightened and have tasted the heavenly gift and have shared in the Holy Spirit^(A)

² that you should remember the words spoken in the past by the holy prophets and the commandment of the Lord and Savior spoken through your apostles.

Occasion of the Letter

³ Beloved, while eagerly preparing to write to you about the salvation we share, I find it necessary to write and appeal to you to contend for the faith that was once and for all handed on to the saints.^(A)