" [ उ ४ । ४ । २२] १२ १०४]
In plain words
The chief result of nitya and the related disciplines is purification of Buddhi, while that of Upāsanā is one-pointedness of Citta, as Śruti says, “The brāhmaṇas seek to know this Ātma through recitation of Veda and through sacrifice,” and Smṛti, “Through Tapas one destroys impurity.”