Albert Einstein was motivated to pursue a career in theoretical physics by his profound curiosity about the nature of the universe and the foundations of science. Early on, he was fascinated by the principles of light and mechanics, leading to groundbreaking theories such as relativity. His desire to understand complex concepts, combined with a commitment to intellectual freedom, pushed him to challenge existing notions in physics. Additionally, societal issues, including the implications of scientific advancements for humanity, drove him to advocate for using science responsibly, reflecting a deep sense of moral obligation alongside scientific inquiry.