Seishin-Teki-Kyo‘yo‘
From AKBAN-wiki, the Martial Arts Database
Seishin teki kyoyo depicts the mental, spiritual and emotional aspects of being and practicing koryu and especially Ninjutsu stemming from one of the x-kans.
As in most of the X-kan schools the exact contents of these aspects is lacing in detail and mostly blurred the content gives itself to a variety of interpretations.
The seven principles written in a Wikipedia article of the same subject were originally hang on the wall in Doron Navon's dojo and do not have any other verifiable source
Here is what present day school has to say about spiritual aspects of martial art training in Ninjutsu. From a lecture explaining the AKBAN ethical code and it's historical roots
Unfortunately, the historical knowledge about Seishin teki Kyo yo is very confused and not something to rely on.
