2 Lessons
The Essence of the Day “Our eyes and hearts are always directed towards Jerusalem.”
Not only is the amidah directed toward Jerusalem, but the whole prayer service is too, even when we are not facing Jerusalem.
Jerusalem Day Continuation of the Victory of Moses and Joshua
What does Jerusalem Day have to do with the war against Amalek on the way to Eretz Yisrael? And how does that teach us that Hasem's hand is behind all that happens to us?