Joshua 22:3 Midrash

לֹֽא־עֲזַבְתֶּ֣ם אֶת־אֲחֵיכֶ֗ם זֶ֚ה יָמִ֣ים רַבִּ֔ים עַ֖ד הַיּ֣וֹם הַזֶּ֑ה וּשְׁמַרְתֶּ֕ם אֶת־מִשְׁמֶ֕רֶת מִצְוַ֖ת יְהוָ֥ה אֱלֹהֵיכֶֽם׃

ye have not left your brethren these many days unto this day, but have kept the charge of the commandment of the LORD your God.

Read midrashic interpretation of Joshua 22:3: and classical rabbinic exegesis.