May mercy and peace and love be multiplied to you [filling your heart with the spiritual well-being and serenity experienced by those who walk closely with God].

Beloved, while I was making every effort to write you about our common salvation, I was compelled to write to you [urgently] appealing that you fight strenuously for [the defense of] the faith which was once for all handed down to the saints [the faith that is the sum of Christian belief that was given verbally to believers].