'so what you 're tellin ' me , ' said ridcully , eventually , 'is that this rincewind fella has been chased by just about every army in the world , has been bounced around life like a pea on a drum , and probably is the one wizard who knows anything about the agatean empire on account of once being friends with , ' he glanced at his notes , ' `` a strange little man in glasses '' who came from there and gave him this funny thing with the legs you all keep alluding to .