"I never guess. It is a shocking habit destructive to the logical faculty"

This quote by Arthur Conan Doyle is a tip to use reasoning and reason when making decisions. He is warning versus the practice of guessing, which he believes is harmful to the rational professors. He believes that thinking is a lazy way of making choices and that it can result in incorrect conclusions. He motivates individuals to utilize their logical faculties to make choices, rather than depending on uncertainty. He believes that using reasoning and factor is the only way to make noise choices. He is also alerting versus the threats of relying too greatly on instinct and suspicion. He thinks that counting on intuition can cause inaccurate conclusions and can be harming to the rational professors. He motivates individuals to utilize their rational faculties to make decisions, instead of relying on uncertainty.