Matthew Poole and continuators on Isaiah 38:22

22 Hezekiah also had said , what is the sign, that I shall go up to the house of the LORD .

Or, For Hezekiah had said, had asked a sign, which is here added as the reason, why Isaiah said what is related in the foregoing verse: to wit, in answer to Hezekiahs question.

Within three dayes, as is more fully related, 2 Kings 20. 5, 8.

For thither he designed in the first place to go, partly that he might pay his vow and thanksgivings to God, and partly that he might ingage the people to praise God with him, and for him.