'Stedfast' in the Bible

if any one is blameless, of one wife a husband, having children stedfast, not under accusation of riotous living or insubordinate --

holding -- according to the teaching -- to the stedfast word, that he may be able also to exhort in the sound teaching, and the gainsayers to convict;

Stedfast is the word; and concerning these things I counsel thee to affirm fully, that they may be thoughtful, to be leading in good works -- who have believed God; these are the good and profitable things to men,