do not harden your hearts as in the rebellion, on the day of testing in the wilderness,

But exhort one another every day, as long as it is called “today,” that none of you may be hardened by the deceitfulness of sin.

As it is said, “Today, if you hear his voice, do not harden your hearts as in the rebellion.”

again he appoints a certain day, “Today,” saying through David so long afterward, in the words already quoted, “Today, if you hear his voice, do not harden your hearts.”