The text describes an experiment conducted years ago by a psychology and history student, who used lab rats in a Y Maze to study learning patterns and decision-making. Initially, the rats struggled to find cheese located on the left side of the Maze, but gradually learned its position through trial and error. However, they would become confused when the cheese was moved. The author uses their research to reflect on their wider educational experience, noting that life revolves around trial and error and the establishment of good habits, rather than simply memorizing disjoint pieces of information.