But those, who, restraining the (whole) group of the senses, and with a mind at all times equable, meditate on the indescribable, indestructible, unperceived (principle) which is all-pervading, unthinkable, indifferent, immovable, and constant, they, intent on the good of all beings, necessarily attain to me. For those whose minds are attached to the unperceived, the trouble is much greater.