Ezra
2 Chronicles 30:6BSB·traditional attribution

At the command of the king, the couriers went throughout Israel and Judah with letters from the king and his officials, which read: “Children of Israel, return to the LORD, the God of Abraham, Isaac, and Israel, so that He may return to those of you who remain, who have escaped the grasp of the kings of Assyria.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A passover resolved upon. That annual feast was instituted as a memorial of the bringing of the children of Israel out of Egypt. It happened that the reviving of the temple service fell within the appointed days of that feast, the seventeenth day of the first month: this brought that forgotten solemnity to mind. "What shall we do," says Hezekiah, "about the passover?

Commenting on 2 Chronicles 30:1-12

John Gill Reformed Baptist @doctorgill

And be not ye like your fathers, and like your brethren, which trespassed against the Lord God of their fathers,.... By worshipping the calves, and neglecting the service of God in the temple at Jerusalem; the Targum is,"which acted deceitfully with the Word of the Lord their God:" who therefore gave them up to desolation, as ye see; some part of the land of Israel...

Jamieson-Fausset-Brown Reformed @jfbcommentary

the posts--that is, runners, or royal messengers, who were taken from the king's bodyguard (Ch2 23:1-2). Each, well mounted, had a certain number of miles to traverse. Having performed his course, he was relieved by another, who had to scour an equal extent of ground; so that, as the government messengers were despatched in all directions, public edicts were speedily diffused throughout the country.