The Compendium of Bheḷa 4.6.3

4.6.3

yatpunarāḥ sati cabhūtanānātve[bhūtarnātve] kathamekaḥ syāditi? atrocyate | yatraitannānātvamāśritaṃ tadetadavyaktamasti pañcamahābhūtasaṃgraha iti ||

As to what he further said: 'Since there is a diversity of elemental substances, how could it be one?' Here it is said: that in which this diversity is contained, that is the unmanifest, which is the collection of the five gross elements.