There is the first condition, the sine quanon. For the selfish no such advance is possible; for the unselfish such advance is certain. And in whateve… - Annie Besant

Hail to thee, Osiris, Lord of Light, dwelling in the mighty abode, in the bosom of the absolute darkness. I come to thee, a purified Soul; my two hands are around thee (xxi. 1).

The main preparation to be made for receiving in the physical vehicle the vibrations of the higher consciousness are: its purification from grosser materials by pure food and pure life; the entire subjugation of the passions, and the cultivation of an even, balanced temper and mind, unaffected by the turmoil and vicissitudes of external life; the habit of quiet meditation on lofty topics, turning the mind away from the objects of the senses, and from the mental images arising from them, and fixing it on higher things; the cessation of hurry, especially of that restless, excitable hurry of the mind, which keeps the brain continually at work and flying from one subject to another; the genuine love for the things of the higher world, that makes them more attractive than the objects of the lower, so that the mind rests contentedly in their companionship as in that of a well-loved friend. p. 316

But leaving aside disputes as to what may be to us “happiness” in a future separated from our present by millions of years, so that we are no more fitted now to formulate its conditions than is a child, playing with its dolls, to formulate the deeper joys and interests of its maturity, let us understand that, according to the teachings of the Esoteric Philosophy, the Devachanī is surrounded by all he loved on earth, with pure affection, and the union being on the plane of the Ego, not on the physical plane, it is free from all the sufferings which would be inevitable were the Devachanī present in consciousness on the physical plane with all its illusory and transitory joys and sorrows. It is surrounded by its beloved in the higher consciousness, but is not agonised by the knowledge of what they are suffering in the lower consciousness, held in the bonds of the flesh.