ते वा एते रसानां रसा वेदा हिरसास्तेषामेते रसास्तानि वा एतान्यमृ-तानाममृतानि वेदा ह्यमृतास्तेषामेतान्य-मृतानि ॥ ४ ॥
In plain words
Indeed, these are the very essences of all essences. For the Vedas are essences, and these are their essences. And those indeed are the immortal elements of the immortals; for the Vedas are immortal, and these are their immortal forms.
Close to the Sanskrit
They indeed, these are the essences of essences; for the Vedas are the essences, and of these these are the essences. And those indeed, these of the immortals are the immortals; for the Vedas are immortals, and of these these are the immortals.