Yuga-Vibhāga and Kāla-Pramāṇa
Measures of Time and the Four Yugas
शुभाः प्रवृत्तयस्तेषां धर्मा वर्णाश्रमास्तथा / संकल्पितेन मनसा वाचोक्तेन स्वकर्मणा
śubhāḥ pravṛttayasteṣāṃ dharmā varṇāśramāstathā / saṃkalpitena manasā vācoktena svakarmaṇā
Their ways were auspicious; so too were the dharmas of varṇa and āśrama—by resolve in the mind, by words spoken, and by each one’s own deeds.