This quote by Sherlock Holmes emphasizes the importance of deduction in solving mysteries. It suggests that when all impossible explanations are ruled out, what remains, no matter how unlikely it may seem, must be considered the truth. This principle underlines Holmes' methodical approach to investigation, where logic and reason take precedence over assumption and speculation.
The quote also reflects a broader philosophy about understanding reality. It encourages a focus on evidence and rationality, implying that rather than dismissing surprising conclusions outright, one should analyze them thoroughly. In essence, it champions critical thinking and the pursuit of knowledge through rigorous examination of possibilities.