Hebrews 3:12-15
Warning Against Unbelief
12aSee to it brothers, that there not be in any one of you an evil, unbelieving heart 1that falls away from bthe living God. 13But aencourage one another day after day, as long as it is still called “Today,” so that none of you will be hardened by the bdeceitfulness of sin. 14For we have become partakers of Christ, aif we hold fast the beginning of our bassurance firm until the end, 15while it is said, “aToday if you hear His voice,Do not harden your hearts, as 1when they provoked Me.”