What confidence is this - מה הבטחן הזה ma habbittachon hazzeh. The words are excessively insulting: What little, foolish, or unavailing cause of confidence is it, to which thou trustest? I translate thus, because I consider the word בטחון bittachon as a diminutive, intended to express the utmost contempt for Hezekiah's God.

sayest. or, talkest. vain words. Heb. word of the lips. I have counsel and strength for the war. or, but counsel and strength are for the war.

Proverbs 21:30,31 There is no wisdom nor understanding nor counsel against the LORD...

rebellest.

2 Kings 18:14 And Hezekiah king of Judah sent to the king of Assyria to Lachish, saying, I have offended; return from me...

The Old Testament and Archeology
A century ago the student of the world's history found it exceedingly difficult, if not impossible, to paint for himself a clear picture of events antedating B.C. 400. Concerning earlier periods, he was, aside from the Old Testament, practically without records that could claim contemporaneousness with the events recorded. But, one hundred years ago, men had commenced to test every statement, be it historical, or scientific, or theological, by severe canons of criticism, and if it could not stand …
Frederick Carl Eiselen—The Christian View of the Old Testament

Deliverance from Assyria
In a time of grave national peril, when the hosts of Assyria were invading the land of Judah and it seemed as if nothing could save Jerusalem from utter destruction, Hezekiah rallied the forces of his realm to resist with unfailing courage their heathen oppressors and to trust in the power of Jehovah to deliver. "Be strong and courageous, be not afraid nor dismayed for the king of Assyria, nor for all the multitude that is with him," Hezekiah exhorted the men of Judah; "for there be more with us …
Ellen Gould White—The Story of Prophets and Kings

Kings
The book[1] of Kings is strikingly unlike any modern historical narrative. Its comparative brevity, its curious perspective, and-with some brilliant exceptions--its relative monotony, are obvious to the most cursory perusal, and to understand these things is, in large measure, to understand the book. It covers a period of no less than four centuries. Beginning with the death of David and the accession of Solomon (1 Kings i., ii.) it traverses his reign with considerable fulness (1 Kings iii.-xi.), …
John Edgar McFadyen—Introduction to the Old Testament