when one is not expressing himself, he is not free. thus, he begins to struggle and the struggle breeds methodical routine. Soon, he is doing his methodical routine as response rather than responding to what is.
Bruce LeeWhat we are after is the root and not the branches. The root is the real knowledge; the branches are surface knowledge. Real knowledge breeds 'body feel' and personal expression; surface knowledge breeds mechanical conditioning and imposing limitation and squelches creativity.
Bruce LeeThe 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.
Bruce Lee