nah, anything is more correct here. it’s like and/or vs neither/nor. “i do understand everything” is the grammatical opposite of “i don’t understand anything”. “i don’t understand everything” is a different sentence entirely. it would only imply that there are aspects of “everything” they don’t understand, rather than that there is nothing they understand.
You have a strange idea about what ‘anything’ means.
Take the quotation marks away, and the sentence would still be correct. I have a strange idea about what literally anything means.
I can tell.
maybe the bumper sticker misspelled “everything”
nah, anything is more correct here. it’s like and/or vs neither/nor. “i do understand everything” is the grammatical opposite of “i don’t understand anything”. “i don’t understand everything” is a different sentence entirely. it would only imply that there are aspects of “everything” they don’t understand, rather than that there is nothing they understand.
Then I guess Resol completely misunderstood it.