"But those who are engaged in the worship of the Imperishable, the Indefinable, the Invisible, the Omnipresent, the Unthinkable, the Immutable, the Immovable, and fixed
"Controlling all the senses, maintaining equanimity everywhere, engaged in the welfare of all beings, they also come to Me only.
"It is very difficult for those whose minds are preoccupied with the Unmanifest because for the embodied souls it is indeed very painful to make progress towards the Unmanifest."
Lord Krishna, Chapter 12.
