15.4 Tatah, thereafter; tat, that; padam, State of Visnu; parimargitavyam, has to be sought for, i.e. realized; gatah, going, entering; yasmin, where, into which State; they na, do not; nivartanti, return; bhuyah, again, for worldly life.
As to how It is to be sought for, the Lord says: Prapadye, I take refuge; tam, in that; adyam, Primeval-existing from the beginning; purusam, Person, who has been mentioned by the word State; eva, Himself. The search has to be carried on thus, i.e., by taking refuge in Him.
Who is that Person? That is being stated: Yatah, from whom, from which Person; prasrta, has ensued, like jugglery from a magician; purani, the eternal; pravrttih, Manifestation, the magic Tree of the World.
What kind of persons reach that State? This is being answered: