What collateral do you care about the most?
Understanding how Hashem took a collateral from the Jewish people.
לע"נ שרה מרים בת אברהם
What motivates you to travel? Understanding why Yisro left his home to travel to the desert. לע"נ שרה מרים בת אברהם
Was it extra or just enough? Understanding the amount the Jews donated to Mishkan and what was done with it. לע"נ שרה מרים בת...