Who said "My trunk could make a wonderful boat"?

This quote is attributed to The Tree.

My trunk could make a wonderful boat - The Tree

"My trunk could make a wonderful boat"

The Tree

Character in The Giving Tree

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"I am tired of being just a tree"

"Come, Boy, come and climb my trunk and swing from my branches"

"I am happy when you are happy"

"Please don't cut me down"