Did you know that true love asks for nothing?
How did you know you're alive, unless you'd once been dead?
Most people are dead. Did you know that? It's true, out of all the people that ever were, almost all of them are dead.
Did you know that the Stegosaurus lived further away from the Tyrannosaurus Rex than we are from the Tyrannosaurus Rex in time?
How did you know??? I'm Erin. I know all. ;)
How did you know Cassandra was the mother? (Wulf) I know lots of things when I apply myself. (Acheron)
You're just full of awesome; did you know that?
Did you know Johnny thinks he's Pittacus resurrected?
You`ve got David Petraeus who, yes, did, you know, something for which he pleaded guilty.