いちがんにそくさんたんしりき
Meanings
Expression
Martial arts
1. firstly vision, secondly footwork, thirdly courage, fourthly technique (the most important aspects of kendo)
Composed of
one eye; single lens (e.g. camera)
two legs; two feet; two pairs
three; 3
liver; innards; courage; spirit; pluck
four
strength; power; proficiency; the strength of ... people; the strength of ... men