Actually Chris he didn't refer to anything else. Specifically or otherwise. He said
Morihei Ueshiba didn't speak of ka without mi.
And as for not using the kanji for fire without the kanji for water? Every time O Sensei said I'll see you on Tuesday
he was using the word for fire without the word for water.
Most people on here don't speak Japanese. They would read this nonsense and think it was correct.