शौनको ह वै महाशालोऽङ्गिरसं विधिवदुपसन्नः पप्रच्छ ।
कस्मिन्नु भगवो विज्ञाते सर्वमिदं विज्ञातं भवतीति ॥ ३॥
śaunako ha vai mahāśālo’ṅgirasaṃ vidhivadupasannaḥ papraccha .
kasminnu bhagavo vijñāte sarvamidaṃ vijñātaṃ bhavatīti .. 3..
Saunaka, the great householder, approached Angiras in the proper manner and said: Revered sir, what is that by the knowing of which all this becomes known?
Commentary:
Is it possible to know something which can lead to the knowledge of all things at the same time? Generally, such a thing is not possible. If you know one thing, you know only that thing. The knowledge of A does not involve the knowledge of B, because A cannot be B. One thing cannot be another thing; it is the law of contradiction in logic. So what is this question? A supernatural question is raised by Saunaka Mahashala: “What is that thing, the knowledge of which will, at the same time, mean the knowledge of all things?” It was a simple question, leading to an answer which is the entire Upanishad.
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— Bhagavad Gita 18.20
Knowing which there shall not be any other to be known in this world, that Knowledge combined with experience, I will tell you.
— Bhagavad Gita 7.2