Authors:

What I want you to do is just take it as it is. Don't think too much. If you get involved with thinking about it, the whole thing gets lost or loses its purity. Don't think during practice - DO! The more you think, the further from the truth of budo you get: Budo is NOT an academic subject!

Masaaki Hatsumi (1988). “The Grandmaster's Book of Ninja Training”, McGraw-Hill Education
What I want you to do is just take it as it is. Don't think too much. If you get involved with thinking about it, the whole thing gets lost or loses its purity. Don't think during practice - DO! The more you think, the