Bruce Banner (Age of Ultron)

"We must be brave enough to change."

"Knowledge without action is wasted."

"Time waits for no one."

"Truth matters more than comfort."

"Freedom requires responsibility."

"Peace begins within."

"I'm always angry."

"We create our own demons."

"The world doesn't need a hero, it needs a scientist."

"You can't put that back in a bottle."

"I know what it's like to struggle with your inner nature."

"Control isn't something you can teach."

"I've seen what unchecked science can do."

"There's nothing we can't do if we work together."

"Every choice has consequences."

"I spent years learning to control the other guy."

"Sometimes the most dangerous thing is the best idea."

"You don't understand what you're dealing with."

"The future is now, and it's not what we expected."

"Fear is a powerful motivator."

"Science and war don't mix well."

"I've learned that isolation isn't the answer."

"Creation requires sacrifice."

"The strongest hearts carry the deepest wounds."

"Understanding comes before action."

"We all have darkness inside us."

"Technology is only as good as the hands that wield it."

"Peace requires more than just the absence of war."

"I know the danger of playing god."

"Hope is what keeps us human."