Who said "I'm a changed man, a better man"?

This quote is attributed to Charlie Bucket.

I'm a changed man, a better man - Charlie Bucket

"I'm a changed man, a better man"

Charlie Bucket

Character in Charlie and the Chocolate Factory

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"We must be dreaming."

"Thank you, thank you, thank you!"

"I wish the other children would disappear."

"I'm getting tired."