The only time we're truly powerful is when we're vulnerable ... - Bruce Banner (Age of Ultron)

"The only time we're truly powerful is when we're vulnerable enough to admit our limits."

Bruce Banner (Age of Ultron) Strength

More from Bruce Banner (Age of Ultron)

"I'm not a hero. I'm a scientist."

"The problem isn't that we need to be smarter. The problem is that we need to be better."

"I can't control it. When I get angry, everything changes."

"We create our own demons."

"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."