A few of my favorite quotes from Phineas

"I for one, am starting to get bored, and boredom is something of up with which I will not put!"
  
"We're gonna need a blowtorch and some more peanut butter."

"Umm... Is it not a rabbit?"

"Ice Chalet!" <-- (Best line in the show.)
 
"I don't want your pamphlet!"
 
"Anyone else here leading a bizarre double life? (Ferb raises his hand) Put your hand down, Ferb. (Ferb lowers it) You're a secret agent. He's a secret agent!"
 
"I wish it was the city of airplane parts."
"You know, barring any foreseen mishaps. (The stirring wheel suddenly breaks off) Oh, like that. That's what I'm talking about. (The engine breaks) And that. (Another part breaks off) And that. (The baguettes fall off) And that. (Everything breaks except for the seats) This is all exactly what I was talking about earlier."
"Look! A sponge and a starfish! There's gotta be something we can make out of this! Ah! Oh no, that's ridiculous!"
 
"Get on the trike!"

"Little corny there, bro."

"If the molecular splitter doesn't just disappear when this is over, we should really consider destroying it."
  
-Phineas

and Ferb.
 
 "And that is why I never wear suspenders in public."
  
"You do realize that's French for pencil neck."

"Meht tuohtiw ton tub enif yas yeht."

"What does yar mean?"

"Well, at least we know she mellows with age."

"He's doing a special appearance on a music video clip show."

"Actually, I think ventricles is already included in gross squishy red stuff. "

"And thus, the universe is balanced. "

"All right, cowboys and cowgirls, it's time to get along, little doggie. Or even a short little doggie. I'm here all week. Try the veal!"

"Um, hello? Entire lower half of amazing superhero here. (sigh) I guess there's no glory in thighs."

"I'm not flooding it!"

"And she seems to have acquired an upper class Drueselsteinian speech pattern."

"Does anyone else want to be king of the world?"
 
"Hmm. What assurance would we have that everyone else will also break into song and do the same thing? ... Fair enough. I'm in. "
  
"Give up?!? Give up?!? The day may come when we'll give up on fruitless searches after a mere eleven minutes, but that day is not today! The day may come when our favorite reptile may be lost from our memories and his enduring love of mushrooms forgotten, but that day is not today! Today we search! We will search for him in the streets, we will search for him in the trenches, we will search for him in the alleys and the mini-malls and the cul-de-sacs of this fair land. We'll search for him in the multilevel car parks and municipal recreational facilities. And we few. We happy few. We small band of brothers — and girl from across the street. We shall not cease 'til he is found!"
 
"Actually those are stocks, a pillory forces the wearer to remain upright, exposing them to poking and prodding from passers-by."

"That's a ripple dissolve. He must be having a flashback."

"The world holds many mysteries, and what seems strange that the one maybe common place to another. The fez was weird though, I mean we're not in Egypt."

"If we hadn't been able to invent something soon, I was going to scream."

"Oh, looks like little Crikey grew up."

"At the Yorkshire Athletic School of In Your Face."

"Well, ever since George Shaw wrote the first description of the platypus for highly skeptical European scientists in 1798, this unique creature has become synonymous with the word "impossible"."

"Actually, I didn't find it all that exciting."

"While ice cream is made from dairy products and turned vigorously with air, sorbet is made entirely out of fancy people."

"Well, I guess perhaps the universe wants something left un-photographed, like Chupacabra or group photos where everyone has their eyes open."

"That's strange. I was convinced that he was an anthropomorphic platypus. Huh. What with the beaver tail and all. "

"Personally I'm looking forward to cheese in aerosol cans."

"Al flabahem abla flapabla."

"In the UK, they call that a "foon."

"No, I guess not. And neither will...your little crumb cake."

-Ferb