Who said "To change the world, first you must change yourself."?

This quote is attributed to Swamp Thing.

To change the world, first you must change yourself. - Swamp Thing

"To change the world, first you must change yourself."

Swamp Thing Change

"I am the swamp. The swamp is me."

"What was I? What am I now?"

"The man I was is gone. Only the swamp remains."

"They made me into this... this thing."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."