Our Place in the Universe

This monograph presents a naturalistic examination of humanity's position within the cosmos, systematically challenging traditional theistic frameworks that place human beings at the center of divine purpose. Smart develops his argument through careful analysis of scientific cosmology and evolutionary theory, demonstrating how modern understanding of the universe's scale and age renders anthropocentric religious worldviews increasingly untenable.

The work's central thesis contends that scientific discoveries about the universe's vastness and indifference to human concerns provide compelling reasons to reject traditional conceptions of a personal God who created the cosmos for human benefit. Smart methodically examines astronomical evidence revealing billions of galaxies, each containing billions of stars, arguing that this immense scale makes human centrality statistically and philosophically implausible. He particularly emphasizes how the universe's 13.8 billion year history, with human existence occupying only the tiniest fraction, undermines claims of cosmic purpose directed toward humanity.

Smart engages directly with natural theology arguments, especially the fine-tuning argument that suggests physical constants appear calibrated for life. He counters this position by invoking the principle of observer selection bias: conscious beings necessarily find themselves in a universe compatible with their existence, making such compatibility unremarkable rather than miraculous. The monograph also addresses the multiverse hypothesis as a naturalistic explanation for apparent cosmic fine-tuning, though Smart acknowledges this remains speculative.

The philosophical method employed combines rigorous logical analysis with extensive engagement with contemporary physics and cosmology. Smart draws particularly on developments in quantum mechanics and relativity theory to challenge intuitive notions of causation and purpose that undergird many theistic arguments. His approach reflects the influence of logical positivism and scientific materialism characteristic of late twentieth-century analytic philosophy.

The monograph's significance lies in its systematic integration of scientific cosmology with philosophical atheism, providing a comprehensive naturalistic worldview that addresses traditional religious concerns about meaning and purpose without recourse to supernatural explanations. Smart argues that accepting humanity's cosmic insignificance, rather than leading to nihilism, can foster a mature appreciation for the genuine wonder of existence and the value of human achievements despite their ultimate transience. This work stands as an important contribution to naturalistic philosophy of religion, offering sophisticated responses to theistic arguments while maintaining intellectual honesty about the limits of scientific knowledge.