8.21 He Himself who has been uktah, meantioned; as avyaktah, Unmanifest; the aksarah, Immutable; ahuh, they call; tam, Him-that very unmanifest Reality which is termed as the Immutable; the paramam, supreme; gatim, Goal. Tat, That; is the paramam, supreme; dhama, abode, i.e. the supreme State; mama, of Mine, of Visnu; yam prapya, reaching which Reality; na nivartante, they do not return to the worldly state.
The means for gaining That is being stated: