। ॥ ५० ॥
In plain words
Established in Jñāna, true knowledge, and Vijñāna, direct realization, one makes the offering into Brahman as Tat and Sat. Pure Sattva-guṇa is the enjoyer; Rajas provides the means for every enjoyment.
Close to the Sanskrit
This one is established in Jñāna and Vijñāna; the offering is into Tat-Sat-Brahman. The enjoyer is pure Sattva-guṇa, and Rajas is the instrument of enjoyments.