'Today' in the Bible

Wherefore, even as the Holy Spirit saith, To-day if ye shall hear his voice,

but exhort one another day by day, so long as it is called To-day; lest any one of you be hardened by the deceitfulness of sin:

while it is said, To-day if ye shall hear his voice, Harden not your hearts, as in the provocation.

he again defineth a certain day, To-day, saying in David so long a time afterward (even as hath been said before), To-day if ye shall hear his voice, Harden not your hearts.

Jesus Christ is the same yesterday and to-day, yea and for ever.