स य एतदेवममृतं वेद साध्यानामेवैको भूत्वा ब्रह्मणैव मुखेनैतदेवामृतं दृष्ट्वा तृप्यति स एतदेव रूपमभिसंविशत्येतस्माद्रूपादुदेति ॥ ३.१०.३ ॥
In plain words
He who knows this nectar thus becomes one of the Sādhyas and, with Brahman for his mouth, is satisfied by merely looking upon this nectar. He enters into this form and rises out of this form.