Explore the fundamental concepts of rough paths in physics through this comprehensive lecture series. Delve into topics such as iterated integrals, one-dimensional objects, and control differential equations. Gain insights into the motivation behind rough path theory and its applications in physics. Learn about the importance of textbooks in the field and discover how subway systems relate to the subject matter. Examine the challenges posed by non-smooth functions and their implications for physical systems. Enhance your understanding of mathematical techniques used to analyze complex physical phenomena through this in-depth exploration of rough path theory.