Da'as Tevunos - Section 68

Said the Intellect - Here is the matter of resurrection of the dead in short and generally it is simple. For when the Holy One blessed is He created man as body and soul to do service and bear burden, both as one, all of the holy service, the Torah and the commandments which he gave to them, here it is appropriate that also in the receipt of the eternal reward that they be together, for it would not be proper that the body work and it not be for it, and behold the Holy One blessed is He does not deprive any creation of reward (Baba Kamma 38a). But that which needs to be examined are the details of this connection of body and soul, in their connection, in their separation, and in their return to be connected with a complete connection; for all of these are done by G-d with all of mankind, and it is certainly not an empty thing. Therefore these are the details which need explanation, and a broad and adequate explanation....