According to Nietzsche, he first acquired this concept while walking in a high mountain forest in August 1881. He admitted that he was influenced by Heraclitus' theory of change. He calls it "the most extreme form of nihilism", but it is also a way to transcend nihilism. The following is a description of this in his work:

"Everything comes, everything goes, forever The wheel of existence is spinning. All things are born, all things die, and the time of existence runs forever. Separation and reunification, the ring of existence, are always true to themselves. Every moment has the beginning of existence, and the ball 'there' revolves around every A 'here' rotates, the center is omnipresent, the eternal road is tortuous."

"You are eternal existence! Love the world forever! And painfully say to the world: 'Go! But still Come back!' Because all happiness requires eternity."

"God on the cross is a curse to life, a signpost for finding salvation through life. Dionysus being chopped into pieces is a promise to life. : He will regenerate and return from destruction."

Nietzsche believes that eternal recurrence is his "scientific of all hypotheses". The premise is as follows: the energy in the universe is immortal and time is infinite. A finite force operating in infinite time must reappear. But in fact, this probability is close to zero, which makes his theory of eternal recurrence lack scientific basis. Kaufman's comment on this is: "Eternal For Nietzsche, reincarnation is less of an idea than an experience... He talked a lot about the first time he had this experience, because for him it was a moment that saved his life."