The properties of space are sound, extension, capacity of being enclosed, absence of refuge, power of being unmanifest, capacity for modification, incapacity for resistance, material cause for producing the sense of hearing, and the unoccupied parts of the human body. These are the fifty properties, as declared, which form the essences of the five elementary entities.
आकाशस्य गुणः शब्दो व्यापित्वं च्छिद्रतापि च। अनाश्रयमनालम्बमव्यक्तमविकारिता॥ अप्रतीघातिता चैव भूतत्वं विकृतानि च। गुणा: पञ्चाशतं प्रोक्ताः पञ्चभूतात्मभाविताः॥