Chandogya Upanishad 8.2

तं चेद्ब्रूयुर्यदिदमस्मिन्ब्रह्मपुरे दहरं पुण्डरीकं वेश्म दहरोऽस्मिन्नन्तराकाशः किं तदत्र विद्यते यदन्वेष्टव्यं यद्वाव विजिज्ञासितव्यमिति स ब्रूयात् ॥ २ ॥

8.1.2 — tam chedbruyuryadidamasminbrahmapure daharam pundarikam veshma daharo'sminnantarakashah kim tadatra vidyate yadanveshtavyam yadvava vijijnasitavyamiti sa bruyat || 2 ||

And if they should say to him: 'Now with regard to that city of Brahman, and the palace in it, i. e. the small lotus of the heart, and the small ether within the heart, what is there within it that deserves to be sought for, or that is to be understood?'

यदि उससे कोई पूछे — 'इस ब्रह्मपुर में, इस छोटे हृदय-कमल-वेश्म में, इस अन्तराकाश में ऐसा क्या है जो अन्वेष्टव्य और विशेषतः ज्ञातव्य है?' — तो वह उससे यह कहे —