◤ The ideal reasoner would, when he had once been shown a single fact in all its bearings, deduce from it not only all the chain of events
which led up to it but also all the results
which would follow from it. ◢
“In some ways Watson is stronger than Holmes. That comes through his kindness, I suppose. He sees Holmes’s weaknesses and tries to protect him from them. Look how Watson rants at him about cocaine. Watson is always on the lookout in order to save his friend from pain, indignity or destruction.”