Who says i am bear of very little brain and long words bother me?

The phrase "I am a bear of very little brain, and long Words bother me" is said by Winnie the pooh, a character created by A.A. Milne. Pooh is known for his simple and endearing personality, often expressing his thoughts in a straightforward manner. This particular line reflects his charming innocence and humorous perspective on language and intelligence.