Bruce Lee Performing Kung Fu Moves in Real Time is Unreal

Every time I watch a kung fu movie, I always find myself asking the same question:

"That's cool, but can they really kick ass in real life?"

While with some actors I remain unconvinced, I will never doubt Bruce Lee. The movement and speed this guy has is enough to snap your neck without the camera witnessing it! The footage below is taken from his documentary I Am Bruce Lee, and features Bruce demo-ing kung fu defense on a spectator. Even in a suit this guy has superhuman speed! Truly remarkable.