This chapter lays the groundwork for understanding the social sciences within the broader scientific framework. It begins by defining science and distinguishing the social sciences from the natural sciences, exploring key questions: What constitutes science and what defines good scientific practice? The chapter examines the inherent complexity of social sciences, the role of theory, and the absence of universal laws, contrasting this with the natural sciences’ reliance on theorems and predictability. It also delves into philosophical underpinnings, addressing concepts like fact, truth, and the scientific method, while questioning assumptions such as rationality and free will in social research. The text highlights how scientific inquiry differs from common sense and emphasizes the importance of context in interpreting social phenomena. Structured logically, the chapter progresses from a general introduction to science, through the scientific method, to eleven lessons exploring epistemology, complexity, and causation. It concludes by synthesizing these foundations, preparing readers for practical research applications in subsequent chapters. By blending theoretical and philosophical perspectives, this chapter gives you a robust framework for conducting high-quality social science research, underscoring its unique challenges and contributions compared to the natural sciences, while fostering critical engagement with the discipline’s core principles.