In this lesson, you will learn the fundamental principles of interior design, including size, scale, proportion, balance, symmetry, harmony, unity, proximity, alignment, and repetition. We will explore the concepts of emphasis and focal point. The lesson will then focus on applying these principles effectively, using the best practices employed by professional interior designers to craft visually stunning spaces. We will review notable projects and examine quotes from renowned designers, reflecting on what we can learn from their successes. By the end of this lesson, you will have a solid understanding of the principles that underpin interior design and will develop a design-thinking mindset.