וַיֵּ֥לֶךְ מֹשֶׁ֖ה וְאַהֲרֹ֑ן וַיַּ֣אַסְפ֔וּ אֶת־כָּל־זִקְנֵ֖י בְּנֵ֥י יִשְׂרָאֵֽל׃
And Moses and Aaron went and gathered together all the elders of the children of Israel.
Read kabbalistic (mystical) interpretation of Exodus 4:29: and classical mystical sources.