OTOH, David Hilbert said in 1920 of trying to prove Fermat's Last Theorem:
`Before beginning I should have to put in three years of intensive study, and I haven't that much time to squander on a probable failure.'"
One of my favorite all time books.
Fermat’s Enigma by Simon Signh
Free PDF avail on line
A surprisingly easy read and description on the evolution of math.
And the solving of A cubed + B cubed = C cubed (no numbers exist to solve this ratio)
The book leaves you with the sense that math is art