As explained on the Aikido website, Aikido
is an applicable self-defense technique, spiritual enlightenment,
physical health or peace of mind. O Sensei had also emphasized
on the moral and spiritual aspects of this art, placing
great weight on the development of harmony and peace.
To have proper training, communication and cooperation
between uke and nage during Aikido practice is essential
in order to master this self-defense technique.
During practice, uke need not automatically acquiesce any
action that nage takes. Rather, it means that uke must be
aware of the conditions that he or she is trying to create
for nage so that the latter will be able to practice a particular
While practising a certain technique, uke must also respond
appropriately to nage's movements. Nage must be aware that
uke is giving him or herself willingly to nage for the purpose
of training. While making use of the training opportunity
that uke is giving, nage must never take advantage of uke's
This is why it is very important that during training,
one must not become emotional or angry and never attempt
to cause pain or injury to your partner intentionally. As
such, it would destroy the moral and spiritual aspects of
Aikido - the development of harmony and peace.