Who said "Never give up, even when seem hopeless."?

This quote is attributed to Hulk.

Never give up, even when seem hopeless. - Hulk

"Never give up, even when seem hopeless."

Hulk Perseverance

"Hulk is strongest one there is."

"Don't make me angry. You wouldn't like me when I'm angry."

"Puny god."

"Hulk smash!"

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."