The human brain is like a complex computer, storing countless pieces of information that are constantly updated and transformed, enabling us to acquire new knowledge and maintain long-term memories. Despite this, humanity has yet to fully understand its own brain, let alone modify it. The brain's left and right hemispheres have distinct functions; the left hemisphere is responsible for logical thinking, while the right hemisphere is rich in creativity. The strength of memory is a significant indicator of brain development, and memory capacity does not necessarily correlate directly with intelligence. Japanese memory champion Akira Haraguchi achieved a remarkable feat by reciting the digits of pi to 20,000 decimal places, leaving many in awe. Various centers in the brain, such as those responsible for language, memory, sensation, and movement, work together to form a living human being. Although we have researched the brain more than other organs, many mysteries remain to be explored.