That human life is but a first installment of the serial soul and that one's individual secret is not lost in the process of earthly dissolution, becomes something more than an optimistic conjecture, and even more than a matter of religious faith, when we remember that only commonsense rules immortality out.
The quote suggests that human existence is merely the beginning of a continuous journey of the soul. It implies that even when faced with physical death, the essence of an individual remains intact and significant. This notion goes beyond mere optimism or faith; it highlights the idea that a rational understanding of immortality can coexist with the transient nature of life.
Nabokov emphasizes that our individual identities and experiences are preserved even after death. He encourages readers to consider the rational implications of immortality, suggesting that there is a logical foundation for believing in the continuity of the soul beyond earthly existence.
