Luke 7 :26-28 (KJV)
26 But what went ye out for to see? A prophet? Yea, I say unto you, and much more than a prophet.
27 This is he, of whom it is written,...
John Prepared The Way For The Lord
Even when Isaiah was written 700 years before Christ, the prophesy of John came true at the exact moment of time that it was destined to happen.