KI in Aikido

Watanabe Shihan in Action
Taken from Embukai 39

Being on the Bu-way/do, you may encounter the following question: There is always somebody who is stronger, faster, harder than you or technically better. You become older and your body has not the some physical power than you had as a young man. How can you proceed and in a way being a match for those young people you once was yourself?