ויקם. הוא בעצמו כמו ועבד הלוי הוא בעצמו: AND PHARAOH ROSE UP. He himself. But the Levites alone shall do the service (Num. 18:23), meaning the Levite himself, is similar.
כי אין בית. על הרוב ידבר הכתוב: FOR THERE WAS NOT A HOUSE WHERE THERE WAS NOT ONE DEAD. Scripture speaks of the majority of houses.412For there must have been many houses in which there was no first-born male (Weiser).