The quote "A fool always finds a plus that admire it" from Sir Arthur Conan Doyle's "A Study in Scarlet" highlights the tendency of foolish individuals to seek validation for their misguided beliefs or actions. It suggests that rather than facing their mistakes or shortcomings, fools often focus on superficial positives that reinforce their misguided views. This tendency can create a cycle of delusion, as they ignore critical perspectives that could lead to personal growth.

This insight from the text emphasizes the importance of self-awareness and critical thinking. It serves as a reminder that genuine understanding requires confronting uncomfortable truths instead of surrounding oneself with only affirming opinions. Those who are wise recognize their limitations and strive for improvement, rather than seeking approval for faulty reasoning.