Yuga-Vibhāga and Kāla-Pramāṇa
Measures of Time and the Four Yugas
त्रेतायुगे च विफलः कर्मारंभः प्रसिद्ध्यति / आयुर्मेधा बलं रूपमारोग्यं धर्मशीलता
tretāyuge ca viphalaḥ karmāraṃbhaḥ prasiddhyati / āyurmedhā balaṃ rūpamārogyaṃ dharmaśīlatā
In the Tretāyuga, even fruitless undertakings of action became well known; longevity, intellect, strength, beauty, health, and dharmic character increased.