We will say (assert? maintain? declare? grunt? snort?) it simply: This is one of our favorite documents.
It’s the guidance Wolcott Gibbs gave to his fellow-editors of The New Yorker, in that magazine’s early years. It’s mostly great advice, still.
It’s lifted (by some other blogger, and copied, many years ago, by us — which might or might not explain the weird typography in Nos. 26 through 29) from the great James Thurber’s “The Years With Ross” — Ross being Mr. Ross, Mr. Ross being The New Yorker’s founding editor, Harold Ross. (What do you think he’d have made of that sentence?!)