Sansa knows, standing on the steps of the Great Sept, staring into Joffrey's triumphant eyes, the blood her father soaking the stones and all the Lannisters' beautiful promises ringing in her ears, that Starks have always been the best liars.

Oberyn Martell, father of daughters.

I didn't realise that it was the Silver Queen's heart you were trying to get inside.

in which the Stark sisters don't completely understand each other, but are locked, loaded, and playing Littlefinger for all he's worth.