Wittgenstein argues that the concept of the soul's immortality, or its survival after death, is far from certain. He suggests that merely surviving eternally does not address the fundamental mysteries we face in life. The notion of eternal life does not resolve the complexities of existence; instead, it leaves us with questions equally puzzling as those we confront in our current reality.

He posits that the answers to life's riddles are rooted within the nature of space and time themselves. Instead of seeking solace in the idea of an everlasting soul, he encourages us to explore and understand the dimensions of our existence within the context of the physical world, asserting that true comprehension lies beyond the mere assumption of immortality.