Netziv on the difference between "זה הדבר" and "כה אמר"
הגיונה של תורה: The תנאי made by Bnei Gad and Reuven seems unfair - either way they get land! If the conquest was miraculous why did they need to come?
What do we learn from the names of the מסעות
When someone goes into exile for killing בשוגג, why should the rebbe (and the whole Yeshiva) have to move - why not have him learn from someone else!
The centrality of the Land of Israel
Hope is crucial for life and the רוצח בשוגג not knowing when he will go free.