.



.


"Perhaps I could best describe my experience of doing mathematics in terms of entering a dark mansion. You go into the first room and it's dark, completely dark. You stumble around, bumping into the furniture. Gradually you learn where each piece of furniture is and, finally, after six months or so, you find the light switch and turn it on. Suddently, it's all illuminated and you can see exactly where you were. Then you enter the next dark room..."

attributed to Andrew Wiles
here