Who said "The line between observer and participant is blurred."?

This quote is attributed to Will Graham.

The line between observer and participant is blurred. - Will Graham

"The line between observer and participant is blurred."

Will Graham Art

"I appreciate the way you think. It's like we're having a conversation in my head."

"Murder is intimate. There's no voyeurism in it."

"My mind doesn't stop. It just runs in circles."

"I'm not afraid of what I am. I'm afraid of what I might become."

"The stage is my true home."

"Art is the expression of the soul."

"Living well means living properly."

"Art and music are the treasures of civilization"