"The Hound of the Baskervilles": Comparison of Characters between Sherlock Holmes and Watson

In the book "The Hound of the Baskervilles", the detective Sherlock Holmes and his assistant Watson were asked to solve a mystery. Although they were partners, they had very different characters. Holmes was intelligent yet arrogant and secretive, while Watson admired Holmes for his wisdom, observed Holmes and tried to learn from him.
Holmes was observant, intelligent and rational, while Watson admired Holmes, yet he was sometimes irrational too. In chapter one, they were examining a walking stick, and made assumptions about the owner. …