Brochas Daf Tes Vov amud beis

The posuk (Mishlei 30:15-16) says: "There are three things which are never satisfied ... the grave, the barren womb, the earth that is satisfied with water."

The medium through which the earth is satisfied is given explicitly in the verse; those for the grave and womb are not.  The Maharsha suggests that the the posuk remains silent in respect of these juxtaposed entities to draw out a connection between them and brings a Medrash that links them.  Man has two creations, in Olam HaZeh, one of water represented by the the womb, the second from mud at the time of the resurrection of the dead, represented by the grave.

... and this verse is used by the Gemara to make the following statement: "From this [posuk we have] a refutation of those that say there is no Torah [source for the] resurrection of the dead.