Obey the principles without being bound by them.

The athlete who is building muscles though weight training should be very sure to work adequately on speed and flexibility at the same time. In combat, without the prior attributes, a strong man will be like the bull with its colossal strength futilely pursuing the matador or like a low-geared truck chasing a rabbit.

It is the man that has nothing to lose or is willing to lose everything to beat you that I am afraid of. If a man is willing to lose his life to bite off my nose then I don't care how good I am or what I do to him- he's gonna get my nose.

One rule is to not use complicated techniques unless they are necessary to achieve your goal. First, use simple movements, and if they don't work, then introduce the more complex ones.

All types of knowledge, ultimately mean self knowledge.

Once I slow down because I think I have reached my peak, then my skills will go nowhere but down

Put every great teacher in a room, and they'd agree about everything, but put their disciples in there and they'd argue about everything.