זוהר שמות — דף ד ע”א

The basin is made from the mirrors of virtuous women who kept themselves pure during Egypt's exile, coming adorned to join their husbands after purification. Whoever guards the holy Covenant receives peace in both this world and the world to come. Deborah merited representing the Knesset Israel on this matter and inspiring all of Israel. The sage who keeps the Covenant protects himself from all harmful forces, and the light of the Shekhina rests upon him. One who marries a foreign woman causes the Shekhina to depart from his home.