'Stedfast' in the Bible

Nevertheless he that standeth stedfast in his heart, having no necessity, but hath power over his own will, and hath so decreed in his heart that he will keep his virgin, doeth well.

Therefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not in vain in the Lord.

And our hope of you is stedfast, knowing, that as ye are partakers of the sufferings, so shall ye be also of the consolation.

For if the word spoken by angels was stedfast, and every transgression and disobedience received a just recompence of reward;

For we are made partakers of Christ, if we hold the beginning of our confidence stedfast unto the end;

Which hope we have as an anchor of the soul, both sure and stedfast, and which entereth into that within the veil;

Whom resist stedfast in the faith, knowing that the same afflictions are accomplished in your brethren that are in the world.