The principle based people really dont know what they mean when they say principles...
I mean the can probably spout off theory and give you a text book answer. But when fighting that all changes...
So in other words you will get no real answer...
Thats why in order to utilize principles one needs to first break down each technique that deals with a principle an drill it until he can effectively apply the technique.
The Flow is relentless like a raging ocean with crashing waves devasting anything in its path.
"Kick Like Thunder, Strike Like Lighting, Fist Hard as Stones."
"Wing Chun flows around overwhelming force and finds openings with its constant flow of forward energy."
"Always Attack, Be Aggressive always Attack first, Be Relentless. Continue with out ceasing. Flow Like Water, Move like the wind, Attack Like Fire. Consume and overwhelm your Adversary until he is No More"