Gosei (questions)

is a mental exercise for thinking over the events of each day. "Gosei" are a series of questions which each cadet is expected to ask himself each day. These five open-ended questions are part of the traditions of Japan's Naval Academy. 
History.
In the early 1930s, the related "Gosei" concepts were created by Vice Admiral Hajime Matsushita when he was the Chief of the Imperial Japanese Naval Academy. 
In the late-Shōwa period, the Japan Maritime Self Defense Force (JMSDF) encouraged the use of the "Gosei" as a self-examination exercise. In today's JMSDF, "Gosei" is supposed to be one of the ordinary parts of daily living.
Questions.
Every evening, Japan's Navy cadets are expected to think carefully about a their actions during the course of the day. This opportunity for self-reflection is guided by the set of five questions, including
The "Gosei" questions have been translated into English for discussion at the United States Naval Academy.