וַיְהִ֥י מִבְחַר־עֲמָקַ֖יִךְ מָ֣לְאוּ רָ֑כֶב וְהַפָּ֣רָשִׁ֔ים שֹׁ֖ת שָׁ֥תוּ הַשָּֽׁעְרָה׃
And it came to pass, when thy choicest valleys were full of chariots, And the horsemen set themselves in array at the gate,
Read halakhic rulings (Jewish law) on Isaiah 22:7: and classical halakhic sources.