This section is from the book "The Sacred Book Of Death", by Lauron William De Laurence. Also available from Amazon: The Sacred Book of Death - Hindu Spiritism Soul Transition and Soul Reincarnation.
The writer does not wish to be understood as meaning that Reincarnation or Eastern Spiritism doctrine is of modern invention; on the contrary, as the intercommunication of spirits with men occurs in virtue of natural law, it has existed from the beginning of time, and the Hindus can prove that traces of this inter-communication are to be found in the earliest annals of antiquity. Pythagoras, as is well known, was not the author of the system of metempsychosis; he borrowed it from the Hindu Adepts of Hindoostan and of Egypt, by whom it has been held from time immemorial. The idea of the transmigration of souls was, therefore, in the earliest ages of the world, a general belief, equally admitted by the common people and by the most eminent thinkers of the period. By what road did this idea come to them? Did it reach them through revelation or through intuition? In regard to this point you know nothing; but it may be safely assumed that no idea could thus have traversed the successive ages of the world, and have commanded the assent of the highest intellects of the human race, if it had not been based on some solid ground of truth and reason. The antiquity of this doctrine should therefore be considered as an argument in its favor, rather than as an objection.
But, at the same time, it must not be forgotten that there is, between the antique doctrine of metempsychosis and the modern doctrine of reincarnation, this capital difference, viz.: that the spirits who inculcate the latter reject absolutely the idea that the human soul can pass into an animal, and vice versa.
The spirits therefore who now proclaim the truth of the plurality of our corporeal existence reassert a doctrine which has its birth in the earliest ages of the world, and which has maintained its footing to the present day in the convictions of many minds; but at present this truth is under an aspect which is more rational, more conformable with the natural laws of progress, and more in harmony with the wisdom of the Creator, throughout the stripping away of accessories added to it by superstition.
It may here be asked, why is it that the statements of all spirits are not in unison in regard to this subject? To this question I shall recur elsewhere.
Let us, for the present, examine the matter from another point of view, entirely irrespective of any assumed declarations of spirits in regard to it. Let us put the latter entirely aside for the moment; let us suppose them to have made no statement whatever in regard to it; let us even suppose the very existence of spirits not to have been surmised. Placing ourselves for a moment on neutral ground, and admitting as equally possible, the hypothesis of the plurality and of the unity of corporeal existences, let us see which of these hypotheses is most in harmony with the dictates of reason and with the requirements of our own interest.
There are persons who reject the idea of reincarnation simply because they do not like it, declaring that their present existence has been quite enough for them, and that they have no wish to recommence a similar one. Of such persons I would merely inquire whether they suppose that God has consulted their wishes and opinions in regulating the universe? Either the law of reincarnation exists, or it does not exist. If it exists, no matter how displeasing it may be to them, they will be compelled to submit in it; for God will not ask their permission to enforce it. It is as though a sick man should say, "I have suffered enough today; I do not choose to suffer tomorrow." No matter what may be his unwillingness to suffer, he will nevertheless be obliged to go on suffering, not only on the morrow, but day after day, until he is cured. In like manner, if it be their destiny to live again corporeally, they will thus live again, they will be reincarnated. In vain will they rebel against necessity like a child refusing to go to school, or a condemned criminal refusing to go to prison. They will be compelled to submit to their fate, no matter how unwilling they may be to do so. Such objections are too puerile to deserve a more serious examination.
Let us say, however, for the consolation of those who urge them, that the Hindu doctrine of reincarnation is by no means so terrible as they imagine it to be; that the conditions of their next existence depends on themselves, and will be happy or unhappy according to the deeds done by them in this present life; and that they may even by their action in this life, raise themselves above the danger of falling again into the mire of expiation.
 
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