Who said "I've always loved the idea of summer."?

This quote is attributed to Olaf.

I've always loved the idea of summer. - Olaf

"I've always loved the idea of summer."

Olaf Imagination

"Some people are worth melting for."

"I like warm hugs."

"Hi, I'm Olaf, and I like warm hugs."

"You can't marry a man you just met."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."