I Samuel 8:1 Kabbalah

וַיְהִ֕י כַּאֲשֶׁ֥ר זָקֵ֖ן שְׁמוּאֵ֑ל וַיָּ֧שֶׂם אֶת־בָּנָ֛יו שֹׁפְטִ֖ים לְיִשְׂרָאֵֽל׃

And it came to pass, when Samuel was old, that he made his sons judges over Israel.

Read kabbalistic (mystical) interpretation of I Samuel 8:1: and classical mystical sources.