Hebrews 3:15
while it is said, To-day, if you will hear his voice, harden not your hearts, as in the bitter provocation.
Hebrews 3:7-8
Wherefore, as the Holy Spirit says: To-day, if you will hear his voice,
Hebrews 10:29
of how much severer punishment do you think he shall be thought worthy, who has trodden under foot the Son of God, and has counted the blood of the covenant, with which he was sanctified, a common thing, and has done despite to the Spirit of grace?
Hebrews 10:38
But the just by faith shall live; and if he draw back, my soul will have no pleasure in him.
Treasury of Scripture Knowledge
Summary
While it is said, To day if ye will hear his voice, harden not your hearts, as in the provocation.
Bible References
General references
Luke 8:6
And some fell upon the rock; and when it had sprung up, it withered, because it had no moisture.
John 9:18
The Jews did not, therefore, believe concerning him, that he had been blind, and had received his sight, till they called the parents of him that had received his sight,