"You're not a doctor, you're a murderer with a medical degree."
Mac in "Blink"

"Aiden's on rodent patrol, I'm waiting to do a rat-topsy."
"Rape and rats. Worlds apart."
Mac and Stella in "Creatures of the Night"

"Apart from the fact of it not being attached to a person, there's nothing wrong with this finger."
Hawkes in "Outside Man"

"Criminals are like animals. They leave tracks, we follow them."
Danny in "Outside Man"

"There's something gooey here."
"Gooey? There's a good forensic word. Gooey. I'll have to use that more."
Stella and Mac

"There are three things that I'll protect at any cost. The honor of this country, the safety of this city, and the integrity of this lab."
Mac in "Grand Murder at Central Station"

"Death by swordfish. Man, I love being in the field."
Hawkes in "Dancing With the Fishes"

"Tiffany's. Now you're talking my language."
"You can tell from a map?"
"Are you kidding? I can tell from the moon. Love those little blue boxes."
Stella and Mac in "Manhattan Manhunt"

"You make me nervous, Mac. You got that look."
"What look is that?"
"The one that says, 'We're not quite finished, cancel your plans for the evening.'"
Danny and Mac in "City of the Dolls"

"Hey, crimestopper. Run to Ray's, grab me a slice, extra pepperoni, right? Bring it back. Just fold it up, slide it right through the hole."
"That's no way to treat good pizza, Messer."
Danny and Flack in "Trapped"

"What have you got there?"
"Surfactant and hypochlorite."
"And for those of us with just a high school diploma?"
Flack and Stella in "Trapped"

"What would make a man want to put on a superhero suit and risk it all?"
"The na´ve belief that one man could make a difference."
Adam and Hawkes in "Supermen"

"Tonya Nettles was stone-cold sober."
"Aren't most people when they're at work?"
"I'll ignore the implication of the question, detective."
Sid and Danny in "Love Run Cold"

"The rawness of the flesh indicates she was alive during the beheading, but I bet she didn't feel a thing. Her blood alcohol level was 0.26 - blotto. The highest I've ever registered was 0.23, but that was in celebration of my first divorce, and I fell down a flight of stairs, didn't feel a thing."
Sid in "Hung Out to Dry"

"Science is our integrity."
Mac in "Murder Sings the Blues"

"She opened a can of worms and found a snake."
Mac in "Sweet 16"

"Your vic died of a broken heart ... cardiomyopathy, most common in women in very passionate relationships."
"I'll be very careful."
Peyton and Mac in "Some Buried Bones"

"Thought you had the night off."
"My dinner date dumped me for a dead body."
Flack and Mac in "Heart of Glass"

"They say burning is the most painful of deaths."
"I love that. How do they know? What'd they take a poll? '64% of dead people surveyed ...'"
Stella and Danny in "Sleight Out of Hand"