Paradise as a Test of the Purified Soul
In this case, the issue can be interpreted not so much as the physical possibility of leaving an already attained state, but as a reflection of the profound spiritual incompatibility of the soul with that place commonly called paradise. If the soul is not purified, if its inner state does not match the bliss and purity inherent to paradise, then remaining there may turn into something akin to torment rather than true satisfaction. In other words, the very essence of “paradise” is defined by the soul’s alignment with ideal conditions, and for those who do not “fit” this ideal, even being in paradise becomes a trial.Thus, one source states:"Likewise, paradise will only welcome the homogeneous – the pure and the most pure – and everything that does not conform to this standard cannot enter there.
Suppose, for instance, that by some fate a sinner is drawn into paradise; what would he do there?! For him, paradise would turn into hell... After repentance, purification continues until the end through acts of self-mortification and charity, fasting, almsgiving, and prayers. All this is inapplicable in the afterlife. There is, therefore, nothing to expect there in terms of purification." (source: link txt, page: 1)Thus, the question of the possibility of leaving paradise is regarded as an internal mismatch between the state of the soul and the ideal environment of paradise. If the soul is not properly prepared and cleansed in earthly life, its stay in paradise will not become the promised delight but may instead become a state of constant disharmony, which essentially implies the impossibility of a “true” dwell in paradise and, consequently, the need to leave it in search of a place that corresponds to the soul’s inner condition.