A student well versed in even one technique will naturally see corresponding points in other techniques. A upper level punch, a lower punch, a front punch and a reverse punch are all essentially the same. Looking over thirty-odd kata, he should be able to see that they are essentially variations on just a handful.
Gichin FunakoshiOnly through training will a person learn his own weaknesses... He who is aware of his weaknesses will remain master of himself in any situation.
Gichin Funakoshi