Chapter 8, Verse 17
सहस्रयुगपर्यन्तमहर्यद्ब्रह्मणो विदु: | रात्रिं युगसहस्रान्तां तेऽहोरात्रविदो जना: ॥17॥
sahasra-yuga-paryantam ahar yad brahmaṇo viduḥ | rātriṁ yuga-sahasrāntāṁ te ’ho-rātra-vido janāḥ
"Those who know that a day of Brahma lasts a thousand yugas and that his night also lasts a thousand yugas, they are the true knowers of day and night."
Key Insight:
The Bhagavad Gita teaches us through 8.17 that true peace is found when we align our actions with Dharma.
The Bhagavad Gita teaches us through 8.17 that true peace is found when we align our actions with Dharma.
Detailed Meaning
This verse introduces the staggering scale of Vedic cosmology to provide perspective on the material universe's temporality. One 'day' of Brahma (a Kalpa) equals 1,000 Mahayugas (4.32 billion human years), followed by a 'night' of equal length. By understanding these vast cycles, a seeker realizes that even the highest material realms are bound by time and change. This knowledge (aho-rātra-vidaḥ) is meant to detach the soul from ephemeral successes and failures, shifting focus toward the eternal (Akshara). Brahma himself is a post occupied by an exalted soul, subject to the laws of time, illustrating that only reaching the Supreme Abode grants true liberation from this cycle.
Frequently Asked Questions
What is the core message of Gita 8.17?
Those who know that a day of Brahma lasts a thousand yugas and that his night also lasts a thousand yugas, they are the true knowers of day and night.