Persistence, persistence, and persistence. The Power can be created and maintained through daily practice - continuous effort.
Bruce LeeI do not fear the man who practices 1,000 kicks one time each. I fear the man who practices 1 kick 1,000 times.
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 LeeNotice that the stiffest tree is most easily cracked, while the bamboo or willow survives by bending with the wind.
Bruce Lee