Exile and Redemption (081) – Moshe and Aharon try to help the enslaved Yidden – Likutei Sichos Vol. 16 page 29

Shemos Exile and Redemption (081) Likutei Sichos vol. 16 page 29 . Moshe and Aharon (who are Leviim and not enslaved,) get involved in other Yidden’s business despite the Pharoah’s protests, and this is the only thing that can usher in the Geula.