The author emphasizes the importance of starting with concrete examples before delving into abstract ideas in math. Drawing a comparison to reading quotes about life, the author argues that true understanding only comes from accumulating life experiences. Without grinding through messy math and building up a collection of concrete examples, one will never truly grasp the power of abstract ideas. The author encourages readers to join the mailing list and follow on X/Twitter for notifications about new posts.
https://www.justinmath.com/the-necessity-of-grinding-through-concrete-examples-before-jumping-up-a-level-of-abstraction/