Who said "The sea has taught me more than any man could."?

This quote is attributed to Theon Greyjoy.

The sea has taught me more than any man could. - Theon Greyjoy

"The sea has taught me more than any man could."

Theon Greyjoy Nature

"I am the Prince of Winterfell. I have no need to prove myself to anyone."

"What is dead may never die."

"You can't marry her. You're promised to me."

"I'm a Greyjoy. We do not sow."

"Nature teaches us about beauty."

"Nature teaches us patience and wisdom"

"Sometimes it snows in April."

"Every town has a soul, and Twin Peaks has a troubled one."