Talk given in Liverpool, UK, on 4th July 1963. 

"Considering the mechanism of social hierarchy, the analogy has been made with the behaviour of lumps of coal in a bucket, where it could be observed that on shaking the bucket, large lumps of coal rose to the surface due to the smaller pieces falling down. This poses the question as to why some people are large lumps and others, small chips. This could lead to a fatalistic conclusion. What is the true position?" 

Eugene discusses the dynamics of hierarchy. 

A transcript is available at www.eugene-halliday.net.