Rashi tells us that the phrase, “b’etzem ha’yom ha’zeh,” “on that very day,” is mentioned in two other places. When Noach entered the Teivah, Ark, the Torah writes that he entered “on that very day”(Bereishis 7:13). Also, when the Jews left Egypt, the Torah writes that they left “on that very day” (Shemos 12:51). The reason for emphasizing when they left and when Noach entered the Ark, is to demonstrate that even if the people would have said, “We will not let Noach leave; we will not let the Jews depart Egypt,” Hashem enabled them to leave in the middle…
