3:13 but exhort one another day by day, so long as it is called To-day; lest any one of you be hardened by the deceitfulness of sin:

3:14 for we are become partakers of Christ, if we hold fast the beginning of our confidence firm unto the end: 3:15 while it is said, To-day if ye shall hear his voice, Harden not your hearts, as in the provocation. 3:16 For who, when they heard, did provoke? nay, did not all they that came out of Egypt by Moses?