Likutei Sichos vol. 15 page 422 ff. Parshas Vayechi really is about Ya’akov’s passing, yet it is called Vayechi- that Ya’akov lived his best years there! The idea is that life is eternal, and that is only in, and with, God, and only when Ya’akov showed his true connection to Hashem was he truly alive….

Likutei Sichos vol. 15 page 432 ff. In Galus there are two ‘first borns’: Yosef’s first born is Menashe: to remember from where you come and not to be influenced by the environment you are in. Ya’akov’s first born is Ephrayim: to succeed and prosper and take something from the Exile and to ultimately transform…

Likutei Sichos vol. 3 page 831 ff. This class explains the unique place of Yosef in Galus: he is both a part of it (not like Yaakov) but altogether above it (not like his brothers). As a result he can initiate it and he can predict its end.

Likutei Sichos vol 30 page 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.