G4645–σκληρύνω–sklērunō

But when divers were hardened, and believed not, but spoke evil of that way before the multitude, he departed from them, and separated the disciples, disputing daily in the school of one Tyrannus.

ἐσκληρύνοντο esklērunonto “were hardened”

Therefore he hath mercy on whom he will have mercy, and whom he will he hardeneth.

σκληρύνει. sklērunei “He hardens.”

Harden not your hearts, as in the provocation, in the day of temptation in the wilderness:

σκληρύνητε sklērunēte “shall harden”

But exhort one another daily, while it is called To-day; lest any of you be hardened through the deceitfulness of sin.

σκληρυνθῇ sklērunthēa “may be hardened”

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

σκληρύνητε sklērunēte “shall harden”

(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.

σκληρύνητε sklērunēte “shall harden”