This tells us that we should act throughout our existence in such a way that, after leaving our bodies, we are freed from the shackles of repeated birth and death.
First and foremost, we must not commit any sinful activity. Indeed, as long as one is subject to the influence of maya, the energy of illusion within material energy, one is forced to commit sinful activities. Thus, people lead sinful lives.
In contrast, the liberated being in this life is not guilty of any sin, which boils down to not having illicit sexual relations outside of marriage, not consuming animal flesh (meat, fish, and eggs), not using stimulants or toxic substances (drugs, coffee, tea, alcohol, cigarettes), and giving up gambling.
Another characteristic of the liberated being is that they are not affected by the sufferings of old age. Yet another trait is that they prepare to no longer assume material bodies, all of which are destined to perish. In other words, they no longer fall into the cycle of death and rebirth. Furthermore, material joys and sorrows leave them indifferent. The liberated being no longer experiences desires for material enjoyment, for they have no other aspiration than to serve Krishna, the dearest object of their desires, with love and devotion. In reality, all their desires are turned towards Krishna, who is the Supreme Truth, and he wants nothing else. Finally, all his desires are fulfilled by Krishna's grace. In any case, he asks nothing for himself, and if he desires anything, it is only to serve the Supreme Lord. And this desire is fulfilled by the Lord's grace.
The devotee of Krishna then returns to the spiritual world, called Vaikuntha, to his original abode. He develops within himself the qualities of Godhead, the Supreme Personality of Godhead. This is what is called “qualitative identity.” Thus, just as Krishna is never born or dies, those of His devotees who return to Him never have to be born or die again in this material universe.
Who is the original cause of all causes?
Krishna, the Supreme Personality of Godhead, is the cause of all causes; everything emanates from Him.
Other causes give rise to various objects.
Although the strength of the senses, the mind's power to think, feel, and will, as well as the body's power, movements, and growth appear to result from various movements of the airs evolving within the body, they are, in truth, only manifestations of Krishna's energy. The vast expanse of space rests in Him.
The vibrations of the ether, thunder, the supreme sound also called “omkara,” as well as the various combinations of words that distinguish things from one another, are His symbolic representations. Truly, He is All.