Likutei Sichos – Vol 30 p 249 ff – Yosef’s Death

Vayechi The Tribes (60) Likutei Sichos – Vol 30 p 249 ff Yosef’s death marks the end of Braishis because the substance of Shmos- exile, to conquer the world, must be inspired and initiated by the Avos. Yosef’s death and Golus empower those who follow after him.