vadanti tat tattva-vidas
tattvaá¹ yaj jñÄnam advayam
brahmeti paramÄtmeti
bhagavÄn iti Å›abdyate
vadanti - they say; tat - that; tattva-vidaḥ - those who know the Absolute Truth; tattvam - the ultimate goal; yat - which; jñÄnam advayam - identical knowledge; brahma iti - as the impersonal Brahman; paramÄtmÄ iti - as the Supersoul; bhagavÄn iti - as the Supreme Personality of Godhead; Å›abdyate - it is described.
This is a quotation from ÅšrÄ«mad-BhÄgavatam (1.2.11). For an explanation see Ä€di-lÄ«lÄ, chapter two, text 11.