How about: Irony! It isn’t just for breakfast anymore!
Or: A whoosh is just a whoosh by any name, but smells as sweet…
-XT
“What’s a motto?”
“What’s a motto with you?”
-Timon and Pumbaa
[Moderator Hat ON]
I think this’ll do better in IMHO.
Hey, maybe that can be the official Great Debates motto…
[Moderator Hat OFF]
The Straight Dope Message Board - Where ignorance fights back!"
Khaaaaannnn!!!
MINE!! 
“What do I know?” :smack:
Michel de Montaigne - February 28, 1533 – September 13, 1592
“The Straight Dope: Cite?”
I LIKE that!
“Home of the sincere, the ignorant, and the sincerely ignorant.”
The Strai …
ERROR - Connection Timed Out
The Straight Dope Messa …
ERROR - Connection Timed Out
The Straight Dope Message B …
ERROR - Connection Timed Out
The Straight Dope Message Board - “It takes longer than we thought.”
That there’s a joke. Not to be taken as a complaint about board speed or the lack thereof.
How about my sig? I just realized I’ve never actually used it since I changed it a year or so ago…
Yeah. If you, y’know, preview, then, y’know, submit, the “Show your signature” checkbox gets unchecked. Which is good.
We’ve all heard that a million monkeys banging on a million typewriters will eventually reproduce the entire works of Shakespeare. Now, thanks to the Internet, we know this is not true. --Robert Wilensky
Holy crap Giraffe! I have never seen that quote before… funniest damn thing I have read in a long time.
how about:
“We are smarter than you, so?”
Cricetus nunquam victus ab hoste cedit.
“The hamster never turns away defeated from the enemy.”
“It was the best of times, it was the worst of times; it ws the age of wisdom, it was the age of foolishness; it was the epoch of belief, it was the epoch of incredulity; it was the season of Light, it was the season of Darkness; it was the spring of hope, it was the winter of despair; we had everything before us, we had nothing before us; we were all going directly to Heaven, we were all going the other way.”
That was of course Charles Dickens. Still, it’s a fine motto for the SDMB.
Oh god, I could find a million of these:
“The heights by great men reached and kept Were not attained by sudden flight,
But they, while their companions slept, Were toiling upward in the night.”
- Henry Wadsworth Longfellow
“Perhaps the most delightful friendships are those in which there is much agreement, much disputation, and yet more personal liking.”
-George Eliot
“When a man says he approves of something in principle, it means he hasn’t the slightest intention of carrying it out in practice.”
-Prince Otto
“You’ve been a very naughty boy and must be disciplined. Assume the position.”
What? Oh, I thought you wanted a motto for the BDSM. 
Although we have occasional threads in GD where it can seem more like it’s “the fighting ignorants”.
“None of us is as dumb as all of us together.”