This book chronicles a collection of notes penned between 2017 and 2023, detailing the author's journey from a school teenager to an independent adult. It captures experiences across China, Portugal, and Poland, exploring education systems in Chinese, Portuguese, and Polish schools. Through these diverse cultural landscapes and educational encounters, the author's perception of the world shifted, becoming increasingly blurred and colorless. These reflections offer a glimpse into the evolving worldview shaped by international travels and the complexities of understanding a multifaceted reality.