Bible Verses About Steadfastness: In striving for the faith of the gospel

Onely let your conuersation be, as it becommeth the Gospel of Christ, that whether I come and see you, or els be absent, I may heare of your matters that ye continue in one Spirit, and in one mind, fighting together through the faith of the Gospel.

Beloued, when I gaue al diligece to write vnto you of the common saluation, it was needful for me to write vnto you to exhort you, that yee should earnestly contend for the maintenace of ye faith, which was once giuen vnto the Saintes.