The sayings Tsuki No Kokoro ( mind like the moon ) , Mizu No Kokuro ( mind like water ) reflect the ability to react quickly in a fluid situation .
Are vital to the execution of karate techniques .
The sayings Tsuki No Kokoro ( mind like the moon ) , Mizu No Kokuro ( mind like water ) reflect the ability to react quickly in a fluid situation and are vital to the execution of karate techniques .