וְהָיָ֥ה לָכֶ֛ם מָע֥וֹז פַּרְעֹ֖ה לְבֹ֑שֶׁת וְהֶחָס֥וּת בְּצֵל־מִצְרַ֖יִם לִכְלִמָּֽה׃
Therefore shall the stronghold of Pharaoh turn to your shame, and the shelter in the shadow of Egypt to your confusion.
Read halakhic rulings (Jewish law) on Isaiah 30:3: and classical halakhic sources.