KJV: But their minds were blinded: for until this day remaineth the same vail untaken away in the reading of the old testament; which vail is done away in Christ.
NASB: But their minds were hardened; for until this very day at the reading of the old covenant the same veil remains unlifted, because it is removed in Christ.
KJV: For unto which of the angels said he at any time, Thou art my Son, this day have I begotten thee? And again, I will be to him a Father, and he shall be to me a Son?
NASB: For to which of the angels did He ever say, "YOU ARE MY SON, TODAY I HAVE BEGOTTEN YOU"? And again, "I WILL BE A FATHER TO HIM AND HE SHALL BE A SON TO ME"?
KJV: But exhort one another daily, while it is called To day; lest any of you be hardened through the deceitfulness of sin.
NASB: But encourage one another day after day, as long as it is still called "Today," so that none of you will be hardened by the deceitfulness of sin.
KJV: 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.
NASB: He again fixes a certain day, "Today," saying through David after so long a time just as has been said before, "TODAY IF YOU HEAR HIS VOICE, DO NOT HARDEN YOUR HEARTS."