vijñānasyaiva nirbhāsaṃ samāśritya prakalpyate / svapnamāyopamaṃ nedaṃ mahābhūtacatuṣṭayam //
All these four primary elemental substances [mahābhūta] are [merely] assumed based on what appears in consciousness [vijñāna], just like dreams and illusions, [and they have no real existence].