¹² See to it,^[a] brothers and sisters,^[b] that none of you has^[c] an evil, unbelieving heart that forsakes^[d] the living God.^{[e] 13} But exhort one another each day, as long as it is called “Today,” that none of you may become hardened by sin’s deception. ¹⁴ For we have become partners with Christ, if in fact we hold our initial confidence^[f] firm until the end. ¹⁵ As it says,^[g] “Oh, that today you would listen as he speaks!^[h] Do not harden your hearts as in the rebellion.”^[i]