Rincewind wasn't about to trust what a hat said.
"You three are privileged to be here," said the hat through Abrim's slack mouth.
"Your hat and cape," the elf said, holding out his hands.
All hat and no cattle, as they say.
She was also very big on: "What did the hat say to the hat rack?
Only his hat lying on the road said there had ever been a man there.
It has begun, said the hat, from its box on the deck.
What did the hat say to the scarf?
"This is a mind I can use," said the hat.
"You shall see him a falling star," said Syme, and put on his hat.