Oh, for heaven's sake, go to the movies!

Gone with the Wind:
"I'll think about it tomorrow."
"I don't know nothin' 'bout birthin' babies."
"As God is my witness, I'll never be hungry again."
"Tomorrow is another day."
"Frankly, my dear, I don't give a damn."

Casablanca:
"Of all the gin joints, in all the towns, in all the world, she walks into mine."
"Play it, Sam."
"I'm shocked, shocked, to find that gambling is going on in here."
"Round up the usual suspects."
"This is the beginning of a beautiful friendship."

And hundreds more!

The uses are obvious and innumerable. And less obscure -- less likely to get you confused looks. Of course, if you're GOING for obscure, there's lots there, too.

And by the way, the quote that's absolutely guaranteed to freak out a historically conscious boss who has just piled a huge amount of work on you some Friday afternoon: "Arbeit macht frei." It was posted at the entrances of Auschwitz, Dachau, and other institutions of that sort. Most effective if you're Jewish. Warning: May cause sensitivity training if your boss is Jewish and you're not.

T.E. Lawrence. Belisarius. Shaka. Clausewitz. Gustav II Adolf. Wellington.

You're always gonna miss somebody's favorite. And every one has pros and cons.

Of course, you could always make another list of military leaders left off the first list. And then another list, and another. . . .