Hebrews 3 [.mp3]

¹⁵ While it is said, To day if ye will hear his voice, harden not your hearts, as in the provocation.

Hebrews 4 [.mp3]

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.