> "It is a question of cubic capacity," said he; "a man with so large a brain must have something in it." That’s from The Adventure of the Blue Carbuncle. The

> "It is a question of cubic capacity," said he; "a man with so large a brain must have something in it." That’s from The Adventure of the Blue Carbuncle. There are at least a couple of other examples of this line of thought in the books : https://www.ihearofsherlock.com/2011/03/skull-was-of-enormous-capacity-dyin_20.html?m=1 https://www.ihearofsherlock.com/2011/03/skull-was-of-enormou...