The discussion centers on the distinction between pure and applied mathematics in the context of theoretical physics. It highlights that theoretical physicists frequently utilize both branches, often employing advanced concepts like differential geometry and algebraic topology, which are rooted in pure mathematics. Participants emphasize that the distinction is not clear-cut; the choice between pure and applied mathematics often depends on the intention behind their use. Many physicists use whatever mathematical tools are necessary, sometimes inventing new methods as needed. A key point raised is the relevance of pure mathematics for understanding theoretical concepts, suggesting that a strong foundation in pure math may be beneficial for those pursuing theoretical physics. The conversation also touches on the confusion faced by students deciding between pure and applied mathematics in their studies, with a consensus leaning towards the value of pure mathematics for a deeper comprehension of theoretical physics.