अथ येऽस्योर्ध्वा रश्मयस्ता एवास्यो-र्ध्वा मधुनाड्यो गुह्या एवादेशा मधुकृतोब्रह्मैव पुष्प ता अमृता आपः ॥ १ ॥
In plain words
Now, the upward rays of the sun are its upward honey-channels. The secret instructions are the bees, Brahman itself is the flower, and those waters are the nectar.
Close to the Sanskrit
Now, those rays of this [sun] which are upward, they indeed are its upward honey-tubes; the hidden instructions indeed are the honey-makers, Brahman itself is the flower, those are the immortal waters.