Who said "The strongest thing is also often the most patient."?

This quote is attributed to Swamp Thing.

The strongest thing is also often the most patient. - Swamp Thing

"The strongest thing is also often the most patient."

Swamp Thing Strength

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."