Who said "Courage is not the absence of fear, but action despite it."?

This quote is attributed to Swamp Thing.

Courage is not the absence of fear, but action despite it. - Swamp Thing

"Courage is not the absence of fear, but action despite it."

Swamp Thing Courage

"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."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."