Class One. Sara had two gifts for Avoda 1) Chyin Ilain, 2) Her life was hers (as she earned it). How can this Zohar be reconciled with Rashi that interprets the words to mean that all her years were equal.
Class Two. The Rebbe explains that the two ideas of 1) ‘Her life is her own’ and 2) All her days are the same are interdependent: ‘All her days are same’ raises up (Bittuls) ‘Her life is her own’ into a nonexistent state (how Joy is quieted so not to have ill side affects). ‘All her days are her own’ is brought down into ‘Her life is her own’ revealing the Essence in each day. (how Joy can be revealed and expressed and yet not have the ill side affect).