The first main phase of the 'Great Unrest' began with the rapid escalation of discontent in the South Wales oalfields. In this area wages were fixed not by individual or collective bargaining but by the price of coal. ... Discontent also simmered around the issue of 'small coal'.
Answer:The temptation to form premature theories upon insufficient data is the bane of our profession. With this one succinct phrase, Holmes sums up what makes him so useful and so valuable. He abandons theories that do not work even if he once believed them to be true.