killing many when it was one man's word's that they heard
he stired up a change reaction,worst than anything nuculear
turns back to remember when he was just born
since day one he know's he must thrust forward.....

^^^i appreciate a lil wordplay, but this is all you had, but aslo very nice ending, i like when shit links back like that. cool idea havin the trip through the brain and describin both the physical and thought of the brian. nice drop... more wordplay would be better though