Deuteronomy 33:21
"And he provided the first part for himself, because there, in a portion of the lawgiver, was he seated; and he came with the heads of the people, he executed the justice of the LORD, and his judgments with Israel."
Cross References (ranked by relevance)
Judges 5:11
They that are delivered from the noise of archers in the places of drawing water, there shall they rehearse the righteous acts of the LORD, even the righteous acts toward the inhabitants of his villages in Israel: then shall the people of the LORD go down to the gates.
Judges 5:2
Praise ye the LORD for the avenging of Israel, when the people willingly offered themselves.
Joshua 1:14
Your wives, your little ones, and your cattle, shall remain in the land which Moses gave you on this side Jordan; but ye shall pass before your brethren armed, all the mighty men of valour, and help them;