A legendary master of several schools of martial arts, O Sensei was also a deeply spiritual man.
Aikido principles hold that the mind and the body are one.
When a person acts in this concerted manner, great power is possible. Since aikido movements are circular in nature, requiring flexibility, balance and timing, there is no need to conflict with the force of an attacker. By joining with the motion of an attack and taking control of its force, it is possible to redirect the power of the attack safely and effectively.