State of "No Thought" or "No Mind"

If your mind is empty, it is always ready for anything; it is open to everything. In the beginner’s mind there are many possibilities, in the expert’s mind there are few.

The power of the warrior mind is its ability to act from a state of "No Mind", with technique arising effortlessly out of emptiness. As a mirror reflects objects without clinging to the images, the "Warrior Mind" is free to flow from one object to the next without impediment. From this state arises instinctive wisdom, the power that allows ordinary people to perform extraordinary feats.

The undisturbed mind is like the calm body water reflecting the brilliance of the moon.

The river has no shape, but it takes on the boundaries which it carves out for itself, so is the mind boundless, until it creates a prison for its own thoughts.

http://www.meaningoflife.i12.com/no-thought.htm

According to the densho, yari, bo, and ken techniques should be natural, flowing body movements. These should be done without thinking about the technique. From nothing [not thinking], something [an action] comes forth, and the person who masters this idea is the one who can comprehend the secret teachings. This understanding in your heart is more important than the techniques. The mind of "munen muso" [no thought, no mind] in the heart is the real secret teaching rather than the technical skills.
(Masaaki Hatsumi)

http://www.kihon.com/newsletter/kihon_newsletter_01.html

Q: What is the “no mind” technique?

A: As you progress through taijitsu it seems you go through three stages in training:

1) You learn a technique or kata and then repeat against an opponent
2) You try to antcipate what the person is going to do and formulate a response
3) You flow with what the person does and just respond “no mind” technique.

Superficially, it would seem that the answer is to simply go straight to the “no mind” technique however it execute that you must reflexively know the moves so that you respond intuitively. In ther words, you have to practise to get to “no mind.” Off you go.

http://shinobinomono.wordpress.com/2007/04/17/what-is-the-no-mind-technique/