The discussion centers on whether 1666 or 1905 was more impactful for physics, with a strong argument for 1666 due to Isaac Newton's groundbreaking work. Newton faced significant challenges, lacking both peer support and advanced mathematical tools, which makes his contributions particularly noteworthy. In contrast, Albert Einstein's development of special relativity in 1905 benefited from a more established scientific community. The debate also touches on which year has a more profound influence on modern physics, with proponents of 1666 citing Newton's foundational role in theoretical physics. Ultimately, the discussion highlights the contrasting circumstances and legacies of both years in the evolution of physics.