The best Quotes by Leonardo (TMNT)

Do I need to remind you who has four shells and defeated the Shredder?

Leonardo: "Donnie, what are the odds of surviving this?"
Donatello: "0.00000003%!"
Leonardo: "I'll take it!"

The first rule of being a ninja is: Do no harm. Unless you mean to do harm. Then do lots of harm!

Woah… pretty heavy philosophical stuff for a cartoon show!

The enemy of my enemy is my bro!

April O'Neil: "What are you?"
Leonardo: "Well, miss, we're ninjas."
Raphael: "We're mutants!"
Donatello: "Technically, we're turtles."
Michelangelo: "And we're teenagers. But we can have adult conversations."
April O'Neil: "So, you're... Ninja Mutant Turtle Teenagers?"
Donatello: "When you put it like that, it sounds ridiculous!"

Raphael: "Hey, Mikey, remember that thing you used to say when we were kids?"
Michelangelo: "You made me promise never to say it again."
Raphael: "Forget about that! Still got one in the tank?"
Michelangelo: "I've been holding it in for years... COWABUNGA!"

Raphael: "Drive!"
Vernon Fenwick: "You're a talking turtle."
Raphael: "Yeah, and you're a human nerd. Now that we've got that out of the way, hit it!"

Class is Pain 101, instructor is Casey Jones.

Who were you expecting, maybe the Addams Family?

Forgiveness is divine, but never pay full price for a late pizza!

I love being a turtle!

Fighting's for grownups, and that's only if you got no other choice.

Humans are the demon scum of the Earth. Avoid them. Don't say hi. They lust to murder that which is different from them. To interact with them is to die.

This is why you never go to New Jersey!

I do not wish to fight. But cast a stone into the lake, and the ripples will return to you.

There comes a time, brothers, where history is forged like melted cheese. It sticks together as one, but it's still soft and squishy in the middle.

Uh... yuck! You guys won't like it... I'll take the rest!

We're lean, we're green, and we're mean!

Guys, did you see? I totally talked to a girl!

So, they're heroes in a half shell?

Trust me, I may not have ninja training, but I have achieved a level of awesomeness attainable only to Casey Jones.

You are extraordinary, my sons. Unlike anything the world has ever seen. Bowed in greatness, destined to protect the people of New York! A dark force is growing: a criminal organization known as the Foot Clan, so named because they step over the good people of this city with no regard. Their leader, Shredder, will come at you with ferocity. His Foot Clan will outnumber you! The people of New York will look upon you as their only hope. Eyes focused! Elbows locked! Stance lowered! Be one with the blades! I know you are eager to answer their calls. But your training is not yet complete. The world below must remain your home. As your father, you must trust me and be patient. You are not yet ready to go above ground, but I believe when that day comes, when you rise to the streets, you will be responsible for amazing things.

Your cells age at half the rate of a normal human. When you're 40, you'll still have the leucocytes of a teenager.

I will escape for every innocent woman whose life was stolen.

Elodie, you join a long line of women who have helped to build this kingdom. It is this sacrifice we commemorate every generation. A tradition going back centuries. A legacy of honor and duty you now inherit.