The Compendium of Bheḷa 1.9.15

1.9.15

parasparasamāyogāddravyeṣveva bhavanti te | lakṣaṇaṃkhasya sauṣiryaṃraukṣyaṃ cāpy anilātmakam ||

exist in substances only through mutual combination. / The characteristic of space is porosity, and dryness is wind-natured;