Proverbs 19:10 Kabbalah

לֹֽא־נָאוֶ֣ה לִכְסִ֣יל תַּעֲנ֑וּג אַ֝֗ף כִּֽי־לְעֶ֤בֶד ׀ מְשֹׁ֬ל בְּשָׂרִֽים׃

Luxury is not seemly for a fool; Much less for a servant to have rule over princes.

Read kabbalistic (mystical) interpretation of Proverbs 19:10: and classical mystical sources.