In the annals of science, Georges Lemaître occupies a unique place, blending a passion for research with profound spirituality. As a Catholic priest and eminent cosmologist, Lemaître charted a new course in understanding cosmic evolution, formulating a hypothesis that reshaped the foundations of 20th-century cosmology. His concept of the "primeval atom," now known as the Big Bang theory, was ahead of its time, challenging traditional models of a static universe. Lemaître's work is not only a milestone for science but also an example of integrating logic with values, demonstrating the coherence between scientific inquiry and the spiritual quest for the origins of existence.