וד' הולך לפניהם יומם בעמוד ענן... ולילה בעמוד אש... ללכת יומם ולילה
When Klal Yisrael traveled in the Wilderness, they were protected by miraculous forces with which Hashem provided them. A Pillar of Cloud paved the way for them by day, and a Pillar of Fire lit up the road for them at night. Thus, the Jews were hampered neither by obstacles on the road, nor by the darkness of night. The pesukim seem to underscore the need for the people to travel at night, as opposed to straightforward day travel. On the other hand, the Torah later (ibid 19:5) states: “And I bore them on eagles’ wings, and I brought them…
