Once a kata has been learned, it must be practised repeatedly until it can be applied in an emergency, for knowledge of just the sequence of a kata in karate is useless.
Gichin FunakoshiThe correct understanding of Karate and its proper use is Karate-do. One who truly trains in this do [way] and actually understands Karate-do is never easily drawn into a fight.
Gichin FunakoshiYou may train for a long time, but if you merely move your hands and feet and jump up and down like a puppet, learning karate is not very different from learning a dance. You will never have reached the heart of the matter; you will have failed to grasp the quintessence of karate-do.
Gichin Funakoshi