Originally Posted by
Oberon
If you're convinced you've discovered some big-brain play you may feel so excited you will literally forget about everything else. For example, Fermat's last theorem took 378 years to prove, and Fermat stated he had discovered a proof of it (but the particular page (he was writing on the margins of a book) he was using wasn't wide enough for him write the proof down on it), but since his proof was never discovered people now assume he deluded himself into thinking he had discovered a proof whereas he hadn't. This is a relevant example because pretty much the same thing could've happened to this guy