In the past, it was expected that about three years were required to learn a single kata, and usually even an expert of considerable skill would only know three, or at most five, kata.
Gichin FunakoshiRemember that you must always have a deep regard for courtesy, and you must be respectful and obedient toward your seniors.
Gichin FunakoshiIn karate, hitting, thrusting, and kicking are not the only methods, throwing techniques and pressure against joints are included โฆ all these techniques should be studied referring to basic kata
Gichin FunakoshiOnce 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 Funakoshi