Tyrion Lannister: I think she will make the world a better place.

Cersei Lannister: You said she’d destroy King’s Landing.

Tyrion Lannister: She knows herself. She chose an advisor who would check her worst impulses instead of feeding them. That’s the difference between you.

From Game of Thrones – Season 7 Episode 7: ‘The Dragon and the Wolf’ (7×07)