וַיִּשְׁמַ֨ע מֹשֶׁ֜ה אֶת־הָעָ֗ם בֹּכֶה֙ לְמִשְׁפְּחֹתָ֔יו אִ֖ישׁ לְפֶ֣תַח אָהֳל֑וֹ וַיִּֽחַר־אַ֤ף יְהוָה֙ מְאֹ֔ד וּבְעֵינֵ֥י מֹשֶׁ֖ה רָֽע׃
And Moses heard the people weeping, family by family, every man at the door of his tent; and the anger of the LORD was kindled greatly; and Moses was displeased.
Read kabbalistic (mystical) interpretation of Numbers 11:10: and classical mystical sources.