From a leadership seminar given by Dale Galloway:
A bunch of fleas were hanging out on a blanket, just jumping up & down having a blast. And then someone came up and put a jar over them… Not knowing what happened they still keep jumping BUT after hitting their heads a few times – they got the message and stopped jumping so high. Though they still jumped they stopped an inch from the top of the jar… After an hour the person removed the jar lid…BUT the fleas never knew the difference, because they had fixed into their minds an imaginary ceiling… Though they could now jump
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