וַיֹּ֥אמֶר מֹשֶׁ֖ה לְחֹתְנ֑וֹ כִּֽי־יָבֹ֥א אֵלַ֛י הָעָ֖ם לִדְרֹ֥שׁ אֱלֹהִֽים׃
And Moses said unto his father-in-law: ‘Because the people come unto me to inquire of God;
Read kabbalistic (mystical) interpretation of Exodus 18:15: and classical mystical sources.