The quality of a ether is sound. That is seized by the car. All the quarters, which live in the ear, have been appointed in apprehending sound.
आकाशस्य गुणो ह्येष श्रोत्रेण च स गृह्यते। श्रोत्रस्थाश्च दिशः सर्वाः शब्दज्ञाने प्रकीर्तिताः॥