स य एषोऽणिमैतदात्म्यमिदं सर्वं तत्सत्यं स आत्मा तत्त्वमसि श्वेतकेतो इति भूय एव मा भगवान्विज्ञापयत्विति तथा सोम्येति होवाच ॥ ६.१०.३ ॥
In plain words
That which is this finest essence — this whole world has that as its self. That is the real. That is the Self. That thou art, Śvetaketu." "Let my lord teach me further." "So be it, my dear," he said.