And so when, on account of the unbecoming life of people, Great Nature was constrained to engender the corresponding in their common presences, then from that time on it was so established for the purposes of the common actualizing of everything existing that human life in general on the Earth should flow in two streams; and Great Nature foresaw and gradually fixed in the details of Her common actualization such a corresponding law-conformableness, that in the drops of the water of the initial flow of the river of life, which have corresponding inner subjective what are called “struggles of one’s own self-denial”, there might arise or not arise that “something”, thanks to which certain properties are acquired giving the possibility, at the place of the branching of the waters of the river of life, of entering one or the other stream. BTG XLVIII