Saul Perlmutter, a Nobel laureate in physics, shares his journey in unveiling the universe’s accelerating expansion. He discusses the emotional landscape of scientific discovery and the essential blend of humility and collective confidence needed to tackle global issues. Delving into the nature of scientific thinking, Saul highlights the significance of continuous learning and critical evaluation in science. He also addresses the pitfalls of pseudoscience and reflects on the universe's fate, emphasizing humanity's endless capacity for curiosity and understanding.