True fudoshin is not a rigid, immobile state of mind, but the condition of stability which comes from the most rapid movement. In other words, like the steadiness of a spinning top, the state of perfect spiritual and physical stability arises from movement which continues infinitely and is so infinitely rapid that it is imperceptible.
This movement is condensed at the one point in the lower abdomen. By putting everything into the one point, we can experience fudoshin and not loose our stability no matter what happens.
