He claimed that by returning to such 'nature,' that is, by realizing the 'law,' one can build the foundation and handle everything, and to train the mind for this, he advocated a reflective 'Kyokei' (keep the mind calm with concentrated consciousness at any moment in daily life) and 'Kakubutsu' (perceiving things or reading their information to reach the essential law) through observation of the world outside and reading.
そして、その「性」に立ち戻ること、すなわち「理」を体得することによって大本が得られ万事に対処することができるとし、そのための心の修養法に内省的な「居敬」と外界の観察や読書による「格物」とを主張した。