Who said "The world fears what it doesn't understand."?

This quote is attributed to Hulk (The Avengers).

The world fears what it doesn't understand. - Hulk (The Avengers)

"The world fears what it doesn't understand."

Hulk (The Avengers) Fear

"Puny god."

"You want a Hulk? You're looking at a Hulk right now."

"I'm always angry."

"That's my secret, Captain. I'm always angry."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."