“Too stupid to learn and too stupid to give up.”

“Nobody likes cravens,” he said uncomfortably. “I wish we hadn’t helped him. What if they think we’re craven too?”"You're too stupid to be craven,” Pyp told him. “I am not,” Grenn said. “Yes you are. If a bear attacked you in the woods, you’d be too stupid to run away.” “I would not,” Grenn insisted. “I’d run away faster than you.” He stopped suddenly, scowling when he saw Pyp’s grin and realized what he’d just said.”

“Jon:'What are you doing up there? Why aren't you at the feast?'Tyrion: 'Too hot, too noisy, and I'd drunk too much wine', the dwarf told him. 'I learned long ago that it is considered rude to vomit on your brother.”

“They were never my pack, not even Hot Pie and Gendry. I was stupid to think so, just a stupid little girl, and no wolf at all.”

“He is a man of the Night's Watch, She thought, as he sang about some stupid lady throwing herself off some stupid tower because her stupid prince was dead. The lady should go kill the ones who killed her prince. Arya Stark (page 514)”

“It was too wet to see the sun go down, too grey to see the moon come up.”

“There is a long league's worth of difference between willful and stupid. - Tywin Lannister”