During this process, the spirit can be influenced by the thoughts and emotions of loved ones on Earth.
From this perspective, preserving the ashes of a deceased person in the home could hinder the peace and progress of the spirit, especially if family members feel a deep attachment or have not been able to accept the passing.
Spiritism teaches that emotional attachment to material remains, such as ashes, can act as a bond that keeps the spirit connected to the earthly plane. This could be uncomfortable for the spirit, because its evolution neeeds freedom and detachment from material ties. For this reason, some followers of this doctrine believe that the best thing for the well-being of the deceased is to deposit the ashes in a suitable resting place or scatter them in nature, thus enabling the spirit to continue its journey unhindered.
Perspective of Christianity

For Christianity, it considers the body sacred and that d:eath is the beginning of eternal life in the presence of God. Traditionally, human remains are buried in a cemetery or sacred place, as a way of respecting the sacredness of the body. Though cremation was rejected in some Christian circles in the past, it is accepted today, as long as the ashes are treated with respect.
