1Cor.16.13  Be watchful, stand firm in your faith, be courageous, be strong.
2Cor.1.24  Not that we lord it over your faith; we work with you for your joy, for you stand firm in your faith.
Phil.1.27  Only let your manner of life be worthy of the gospel of Christ, so that whether I come and see you or am absent, I may hear of you that you stand firm in one spirit, with one mind striving side by side for the faith of the gospel,
Phil.4.1  Therefore, my brethren, whom I love and long for, my joy and crown, stand firm thus in the Lord, my beloved.
2Thess.2.15  So then, brethren, stand firm and hold to the traditions which you were taught by us, either by word of mouth or by letter.
2Tim.2.19  But God's firm foundation stands, bearing this seal: "The Lord knows those who are his," and, "Let every one who names the name of the Lord depart from iniquity."
Titus.1.9  he must hold firm to the sure word as taught, so that he may be able to give instruction in sound doctrine and also to confute those who contradict it.
Heb.3.14  For we share in Christ, if only we hold our first confidence firm to the end,
1Pet.5.9  Resist him, firm in your faith, knowing that the same experience of suffering is required of your brotherhood throughout the world.