Adhyāya 39 — त्रिगुणविवेकः (Discrimination of the Three Guṇas) and Avyakta-Doctrine
भूतं भव्यं भविष्यं च धर्मोडर्थ: काम एव च | प्राणापानावुदान श्चाप्येत एव त्रयो गुणा:,भूत, वर्तमान, भविष्य, धर्म, अर्थ, काम, प्राण, अपान और उदान-ये सब त्रिगुणात्मक ही हैं
bhūtaṁ bhavyaṁ bhaviṣyaṁ ca dharmo 'rthaḥ kāma eva ca | prāṇāpānāv udānaś cāpy ete eva trayo guṇāḥ ||
Vāyu-deva said: “Past, present, and future; and likewise dharma, artha, and kāma; and also the vital currents—prāṇa, apāna, and udāna—all these are, in truth, constituted by the three guṇas.”
वायुदेव उवाच