Assmann (1989a, 68) points out that there is a move from stress on the monument as a memorial to one on virtue or character. Therefore, he notes that “It is virtue alone which counts.” And Maat becomes a means of ‘spiritual monumentalization’.“ In this regard, Kheti advises his son, Merikara, saying: “Do not be evil for kindness is good. Make your monument last through love of you” (36-37). Thus, it is love of the people engendered by the Maatian behavior of the ruler that causes memory of him to endure.
Ma’at, the Moral Ideal in AE, Karenga, pg 56
Another example that having a tomb or having your body mummified is not as important as a lot of books make it out to be.