12 Watch out, brothers, lest there be in some of you an evil, unbelieving heart, with the result that you fall away*Here "with the result that" is supplied as a component of the infinitive ("fall away") which is understood as result from the living God. 13 But encourage one another day by dayLiterally "by each day", as long as it is called "today," so that none of you become hardenedLiterally "not anyone of you be hardened" by the deception of sin.