How did Faith in the Earth and Thus Spoke Zarathustra progress Friedrich Nietzsche's own form of unique belief system?
Faith in the Earth:  Nietzsche's name for this uncanny experience is "amor fati," and it names not things, but a way things can change. Thus Spoke Zarathustra:  Much of the work deals with ideas such as the "eternal recurrence of the same", the parable on the "death of God", and the "prophecy" of the "Übermensch", which were first introduced in "The Gay Science".
Nietzsche's name for this uncanny experience is "amor fati," and it names not things, but a way things can change.