'Firmly' in the Bible

But the man who stands firmly committed in his heart, having no compulsion [to yield to his daughter’s request], and has authority over his own will, and has decided in his own heart to keep his own virgin [daughter from being married], he will do well.

By this faith you are saved [reborn from above—spiritually transformed, renewed, and set apart for His purpose], if you hold firmly to the word which I preached to you, unless you believed in vain [just superficially and without complete commitment].