सह नौ यशः ।सह नौ ब्रह्मवर्चसम् ।अथातः संहिताया उपनिषदं व्याख्यास्यामः ।पञ्चस्वधिकरणेषु ।अधिलोकमधिज्यौतिषमधिविद्यमधिप्रजमध्यात्मम् ।ता महासँहिता इत्याचक्षते ।अथाधिलोकम् ।पृथिवी पूर्वरूपम् ।द्यौरुत्तररूपम् ।आकाशः सन्धिः ॥ १ ॥
In plain words
May glory be with us both; may the lustre of Brahman be with us both. Now, therefore, we shall expound the secret doctrine of the joining, under five heads: with respect to the worlds, with respect to the lights, with respect to knowledge, with respect to offspring, and with respect to the self. These they call the great joinings. Now with respect to the worlds. The earth is the prior form, the sky the latter form, space the junction,