The YouTuber talks about his struggles to learn data science and how he discovered a memory technique called the memory palace. The technique involves creating vivid imagery around an object or concept to remember it, and then placing it along a path in a particular order. He explains how to use the memory palace technique to memorize and learn the basics of data science with tabular data. This method is highly effective in retaining a large amount of information quickly, allowing you to progress a lot faster. The speaker challenges the audience to memorize some common Pandas functions before leveraging the memory palace technique to create a familiar path with vivid imagery that helps to memorize a large amount of information. The speaker discusses how to revise and remember the memory path once it's created.