Quote by Sir Arthur Conan Doyle
I never guess. It is a shocking habit -- destructive to the logical faculty.
Summary
This quote suggests that the act of guessing is detrimental to logical thinking. The speaker asserts that they never engage in guessing because it is a destructive habit that impairs the ability to think logically and analytically. By relying on guesses instead of rational thought processes, one may undermine their capacity to make sensible conclusions and decisions, thereby hindering their logical faculties.