He says that now, but that won’t stop him from changing his tune several times in the coming decades!
Amazing Spider-Man (Vol. 1) #4
Published: c. July, 1963?
Cover Date: September, 1963
“Nothing Can Stop… The Sandman!”
Writer: Stan Lee
Artist: Steve Ditko
Inker: Steve Ditko
Letterer: Sam Rosen
This is ASM #4 – didn’t he quit being Spider-Man in the issue right before this one??? At least for a few pages, he pretty much gives up on being Spider-Man again after Doc Ock easily defeated him.