וַתֵּ֛רֶא אֶת־עֳנִ֥י אֲבֹתֵ֖ינוּ בְּמִצְרָ֑יִם וְאֶת־זַעֲקָתָ֥ם שָׁמַ֖עְתָּ עַל־יַם־סֽוּף׃
And Thou sawest the affliction of our fathers in Egypt, and heardest their cry by the Red Sea;
Read kabbalistic (mystical) interpretation of Nehemiah 9:9: and classical mystical sources.