Who said "Who am I supposed to be?"?

This quote is attributed to Moana.

Who am I supposed to be? - Moana

"Who am I supposed to be?"

Moana

"I am Moana of Motunui. You will board my boat, sail across the sea, and restore the heart of Te Fiti."

"Sometimes our strengths lie beneath the surface."

"Know who you are."

"The ocean chose me."