The Gemara at Sanhedrin 94a suggests that G-d wanted Hezekiah to be the Messiah. The Gemara continues to say that at some point Hashem said he would not be the Messiah, and Isaiah cried out "Woe to ...
In the prophecies in Isaiah 9:6, in a modern version of the Authorized Version (a Christian translation): For unto us a child is born, unto us a son is given: and the government shall be upon ...
If a recent thread, I asked, "Will the king messiah be a prophet?" @b a cited a source from Rambam's Hilkhot Teshuva, 9.2 which states, "מפני שאותו המלך שיעמוד מזרע דויד בעל חכמה יהיה יתר משלמה, ...