But Hashem gives us a multitude of mitzvos so that we will be deeply affected emotionally, and our hearts will be drawn to a powerful love for our Creator. If we look at the festival of the Exodus from Egypt merely as physical redemption from a corporeal enslavement, we could make the mistake of saying that during other times of physical oppression and exile we should suspend the celebration of Pesach. However, if we view the redemption from Egypt as a spiritual exodus, if we focus on the fact that Hashem rescued us from drowning in the spiritual morass of Egypt, and took us as His chosen people, then the Festival of Pesach is something eternal, to be celebrated even in the darkest exile. I am Hashem. Everything exists at first in a higher form and then devolves downward through the various levels of existence until it reaches our world.
All entities exist in all realms, but in different forms.
For example, we know fire as something that burns, but in the higher worlds, fire derives from the passions of the wicked. Consequently, what we perceive as a miracle sometimes results from our limited perspective in this lower world. For example, when Avraham Avinu emerged unscathed from a blazing furnace, it was indeed a great miracle, but only to us. In the upper realms, given that Avraham Avinu was free of the passions from which fire is derived, the entity that corresponds to fire could not touch him, and thus his deliverance did not seem miraculous at all. Gavriel's descent symbolized that fire's higher nature would be revealed in this lower plane of existence.