וַֽיִּפְגְּעוּ֙ אֶת־מֹשֶׁ֣ה וְאֶֽת־אַהֲרֹ֔ן נִצָּבִ֖ים לִקְרָאתָ֑ם בְּצֵאתָ֖ם מֵאֵ֥ת פַּרְעֹֽה׃
And they met Moses and Aaron, who stood in the way, as they came forth from Pharaoh;
Read kabbalistic (mystical) interpretation of Exodus 5:20: and classical mystical sources.