A very short informational note that William Chow received his black belt from James Mitose, Kosho-Ryu Kenpo, which was linear Martial Art. William Chow with his knowledge of Kung Fu added the circular movements. It has also been said that Ed Parker only received the rank of purple belt from Chow or Brown belt depends on who you get the information from.
For dwelling, the Earth is good.
For the mind, depth is good.
The goodness of giving is in the timing.
The goodness of speech is in honesty.