It is quite interesting that Ii, a statesman at the time of political turmoil at the end of Tokugawa Shogunate, wrote a book advocating absolute stillness during a tea ceremony, which continues to make the book attractive to people throughout the ages.
激動の幕末にあって、静寂の極致のような茶室での心を、時の為政者である直弼が残していることは興味深く後世における本書の魅力となっている。