Ned: I've heard it said that poison is a woman's weapon.
Grand Maester: Yes, women, cravens and eunuchs. Did you know that Lord Varys is a eunuch?

After they stabbed you, where did you go? What did you see?

Melisandre

I have never been much of a fighter. Apologies for what you are about to see.

Davos

Open the door and the men inside can rejoin their brothers in peace.

Alliser

Ned: Very handsome armor. Not a scratch on it.
Jaime: People have been swinging at me for years, they always seem to miss.
Ned: You've chosen your opponents wisely.
Jaime: I have a knack for it.

A sword swallower through and through.

Olenna

Let Stannis and Roose battle. Let the enemies of the Throne slaughter each other and when they're done, seize Winterfell from whichever thief survives.

Littlefinger

Please Jaime you have to. He was our son, our baby boy.

Cersei

Robert Arryn: Can I make the little man fly now?
Tyrion: Not this little man. This little man is going home now.

A man with no motive is a man no one suspects. Always keep your foes confused.

Baelish

The Hound: Rough night, imp?
Tyrion: If I get through this without scratching from one end through the other, it will be a miracle.

Lady Olenna: You there, where would I find the High Septon or High Sparrow or whatever bloody fool name he's got?
High Sparrow: It's not a good a name as Queen of Thorns I'll admit.
Lady Olenna: You should have the decency to stand when you speak to a lady.
High Sparrow: You should have the decency to kneel before the Gods.
Lady Olenna: Don't spar with me little fellow.

Game of Thrones Quotes

Tyrion: Let me give you some advice bastard. Never forget what you are. The rest of the world will not. Wear it like armor, and it can never be used to hurt you.
Jon: What the hell do you know about being a bastard?
Tyrion: All dwarfs are bastards in their father's eyes.

I will hurt you for this. A day will come when you think you are safe and happy, and your joy will turn to ashes in your mouth. And you will know the debt is paid.

Tyrion Lannister