Who are they, what are they risking, and what will happen to them after their death?
Impersonalism is the belief in a spiritual God, certainly, but one made solely and entirely of pure spiritual energy. Impersonalists are therefore those believers from the monotheistic religions widespread on earth who refuse to believe that God, the Supreme Spiritual Being, also called “the Eternal,” has a totally spiritual body in human form. Moreover, the human form of humans comes from God.
Krishna, the Supreme Personality of Godhead, says: The Impersonal Supreme Being is a partial manifestation of my person, and no truth is superior to me.
This dazzling radiance, this absolute light that you contemplate (addressing his devotee, Prince Arjuna), know that it is none other than the radiance emanating from my body. This radiance is none other than myself. This radiance is an emanation of my spiritual energy. The radiance extends beyond the realm of my external energy (the material cosmos).
Impersonalists believe me to be formless, and claim that I borrowed my present form, the one I manifest today, solely to serve some purpose. But these speculators are in fact devoid of true intelligence. However erudite they may be in the Vedic texts (the Vedas, the original holy scriptures), they are ignorant of my inconceivable energies and the eternal forms of my person. The reason is that I reserve the right not to show myself to unbelievers, thanks to my internal power, which veils me from their eyes. Therefore, fools and senseless people do not know my eternal, unborn, and imperishable form.
The Impersonal Supreme Spiritual Being is a partial manifestation of Krishna, the Supreme Personality of Godhead, the Supreme Lord, realized in the absence of these complete potencies. It is the all-pervading aspect of neutrality. It is the only aspect of Godhead known to believers on earth.
This spiritual effulgence is limitless and immeasurable. It emanates from Krishna's original body, which gives form to his impersonal, omnipresent, infinite, and unfathomable aspect, which is the cause of the creation of the innumerable planets, each endowed with a specific life atmosphere.
In truth, the Impersonal Supreme Spiritual Being is the radiance emanating from Krishna's sublime transcendental body.
In the spiritual world, beyond the veil of matter, shines the infinite radiance of the absolute body of Godhead, free from all material defilements. This dazzling white radiance is considered by spiritualists to be the light of all lights. In this realm, there is no need for the rays of the sun, the moon, fire, or electric light. In fact, all luminous radiation perceived in the material universe is merely a reflection of this supreme light.
The absolute exists in front and behind, in the north, south, east, and west, above and below; in short, the supreme radiance extends everywhere, in the material and spiritual worlds.
Krishna, the Supreme Personality of Godhead, is endowed with unlimited power. The dazzling radiance of his transcendental body, his personal, primordial, original, infinite, and absolute form, is the original aspect of the Impersonal, undifferentiated, infinite, absolute, imperishable, complete, and omnipresent Supreme Spiritual Being. The source of the countless planets of the material universe, each with its own opulence. The Impersonal Supreme Spiritual Being is Krishna Himself, for the Lord is His source.