• "There wasn't a right choice to make," she finally says, and her stare softens a tiny bit around the corners, "you just made the one that you thought was best
• "My father often tried to make himself taller. Whenever times were hard, my father would try to make himself taller. When he was restructured, when the debt collectors came calling, when the company went out of business, he tried to make himself taller. My mother also tried to make herself taller ◊that one time..." Kafuka Fura, Sayonara Zetsubou Sensei
• "You either die a hero, or you live long enough to see yourself become the villain." - Harvey Dent, The Dark Knight
• Those who have tasted the light of goodness and justice and turned away make the foulest villains. - Dungeons and Dragons, The Dungeon Master's Guide, about fallen paladins who become Blackguards.
• "...For the female of the species is more deadly than the male." The Female of the Species, according to Rudyard Kipling
• "I really did [love you], too, you old crab — always yelling your head off, always sore at everybody. But you never fooled me with your song and dance, not for a second. I kind of always knew that behind the cigar ashes on your vest you had a heart as big as a house." —Walter Neff, to Keyes, Double Indemnity
• Millie: Skirt-chaser! Jimmy: Gold-digger! Millie: Womanizer! Jimmy: Jezebel! Millie: Casanova! At which point he grabs her, snogs the hell out of her, and dashes off... whereupon she bursts into song.
• Church: There's no "I" in team, Grif. Grif: Yeah, there's no "U", either. So I guess if I'm not on the team, and you're not on the team, then nobody's on the god-damn team! The team sucks!
• Washington: How do you ever get anything done if all you do is argue with each other? Church: We don't! That's part of our charm. Quit fucking it up!
• Caboose: I have an idea. silence Caboose: (louder) I have an idea! Tucker: We heard you, Caboose, we're just ignoring
• Chruch: Alright O'Malley this is it. From now on if any one makes my girlfriend crazy and psychotic...it's gonna be me. Tex: Aw, that's sweet. Church: Shut up bitch. Tex: Asshole.
• Skeeter: Shoot me, Gonzo! Scooter: Me first, I'm older!

Skeeter: Only by a minute! — Muppet Babies

• He always smiled, and he always chuckled, but inside he did not notice anyone, did not care; it was his body that smiled, nodded and shook hands. Nothing touched his mind, which remained remote.

— Philip K Dick, Ubik

• Samantha Carter: You can call me Sam. That's my first name.

Corso: Sam. It's pretty. Sam: Not really. It's short for Samantha. Corso: Even prettier. So what does it mean - "Samantha"? Sam: That my father wanted a boy. — Stargate SG 1, offering one possible explanation for this trope

• "I'm fine. I have something in my eye, that's all.
  
  ...I have something in my other eye.
  
  I have something in my heart..."

—Stephen Colbert