Spiritism is, at once, a science, a philosophy, and a religion.
The science of Spiritism studies the existence and nature of spirits, which are nothing more than the immortal souls of men, created by God.
The philosophy, which was derived from a serious study of information received in communications with discarnate spirits, deals with the details of spirit life and the journey of evolution through the process reincarnation. A natural consequence of that that philosophy is the understanding of the role we play in our own spiritual evolution, which is ultimately achieved through the efforts we make to grow, both morally and intellectually.
Spiritism helps us to understand the natural laws that govern that process of evolution. From a moral perspective, we follow the teachings and examples of Jesus Christ, as our model and guide.
The religious aspect stems from the moral ties between ourselves, and others, and the direction that Spiritism leads us, toward God, our creator, by helping us to understand life and by teaching us, ultimately, how to develop the ability to love, in the greatest sense of the word.
Spiritism is a philosophical doctrine with religion effects, as is any spiritualist philosophy, because it inevitably reaches to the roots of all religions: God, soul, and future life. But it is not a constituted religion, since it has no services, no rituals, no temples, and no one among its adherents received the title of priest or high priest. Posthumous Works - Allan Kardec
It is the collection of principles and laws, as revealed by the Superior Spirits, contained in the works of Allan Kardec, which constitute the Codification of Spiritism:
- The Spirits' Book
- The Mediums' Book
- The Gospel According to Spiritism
- Heaven and Hell and
- The Genesis According to Spiritism.