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