“Wait a moment,” said Winnie-the-Pooh, holding up his paw.
He sat down and thought, in the most thoughtful way he could think. Then he fitted his paw into one of the Tracks … and then he scratched his nose twice, and stood up.
“Yes,” said Winnie-the-Pooh.
“I see now,” said Winnie-the-Pooh.
“I have been Foolish and Deluded,” said he, “and I am a Bear of No Brain at All.”

A. A. Milne (1882–1956) English poet and playwright [Alan Alexander Milne]

Winnie-the-Pooh, ch. 3 “Pooh and Piglet Go Hunting” (1926)
    (Source)