Koichi Tohei Unify Mind and Body

The Four Basic Principles to Unify Mind and Body

1 Keep One Point
2 Relax Completely
3 Keep Weight Underside
4 Extend Ki

Reference:
Ki in Daily Life by Koichi Tohei
ISBN 4889960716

p. 27 ff

Links:
Aikido Koichi Tohei sensei part 2 youtube.com

Koichi Tohei at 9th Dan (Part 1/5) youtube.com
Koichi Tohei at 9th Dan (Part 2/5) youtube.com
Koichi Tohei at 9th Dan (Part 3/5) youtube.com
Koichi Tohei at 9th Dan (Part 4/5) youtube.com
Koichi Tohei at 9th Dan (Part 5/5) youtube.com

Koichi Tohei wikipedia.org
Ki-Aikido wikipedia.org