There is nothing more deceptive than an obvious fact.
Sherlock Holmes in "The Boscombe Valley Mystery" (1891).
![There is nothing more deceptive than an obvious fact.](http://cdn.quoteddaily.com/images/arthur-conan-doyle/there-is-nothing-more-deceptive-than-an-obvious-fact.jpg)
There is nothing more deceptive than an obvious fact.