Help me place this quote!

[Kohai]

I'm looking for a quotation and I can't for the life of me remember where I read it.

I believe it's Charles Baker, but can't be sure. A cursory search of Gentleman's Companion does not readily yield the answer. The line goes something like this:

"Never serve a cocktail after dinner, unless you wish to imply that the meal was insufficient and you expect your guest to have another somewhere else."

Or something. Crap. Can anyone help with this?

[eje]

Hm, I doubt Chas. Baker, Jr. would ever turn down a cocktail, before or after dinner.

Pretty sure this was David Embury. If not, it might have been Kingsley Amis from one of his books on drinking.

[Mike S.]

Sounds like Amis to me....