Hebrews 4:7

4:7 he again defines a certain day, today, saying through David so long a time afterward (just as has been said), "Today if you will hear his voice, Don't harden your hearts."
-World English Bible

Other Translation

4:7 Again, he limiteth a certain day, saying in David, To day, after so long a time; as it is said, To day if ye will hear his voice, harden not your hearts.
-King James Version