וְאֶת־אֹֽתֹתָיו֙ וְאֶֽת־מַעֲשָׂ֔יו אֲשֶׁ֥ר עָשָׂ֖ה בְּת֣וֹךְ מִצְרָ֑יִם לְפַרְעֹ֥ה מֶֽלֶךְ־מִצְרַ֖יִם וּלְכָל־אַרְצֽוֹ׃
and His signs, and His works, which He did in the midst of Egypt unto Pharaoh the king of Egypt, and unto all his land;
Read kabbalistic (mystical) interpretation of Deuteronomy 11:3: and classical mystical sources.