Thereโs only one basic principle of self-defense- you must apply the most effective weapon, as soon as possible, to the most vulnerable target.
The spirit of the individual is determined by his dominating thought habits.
Using no way as a way, having no limitation as limitation.
All knowledge, is ultimately, self knowledge.
As you think, you shall become
Because of styles people are separated. Research your own experience, absorb what is useful, reject what is useless, add what is essentially your own.