Black Widow (Age of Ultron)

"I don't do this for glory. I do it because it's right."

"Time doesn't heal all wounds. It just teaches you how to live with them."

"I've killed more people than I can remember. That's the real red in my ledger."

"Happiness is a luxury I learned long ago not to expect."

"Knowledge is power. And I've learned never to show all my cards."

"The beauty of war is that it shows you who you really are."

"I believe in second chances. Because I needed one."

"You can't save the world alone. But you can try with the right people."

"Success means nothing if you've lost yourself getting there."

"I've learned that patience is the art of waiting with purpose."

"Technology is just another tool. It's what you do with it that matters."

"The work never stops. Neither do I."

"Dreams are dangerous when you have a past like mine."

"I've got jokes. Dark ones. But they help me remember I'm human."

"Beauty is a distraction. I learned that early on."

"Adventure is just another word for running from your demons."

"I don't pray. But sometimes I understand why people do."

"History doesn't forgive. So you have to learn from it."

"Money means nothing. Power means everything."

"Health is something you take for granted until you lose it."

"Art is the expression of things we're too afraid to say."

"Music is one of the few things that makes sense in this world."

"Science gave me the skills to survive. Humanity gave me the reason to."

"I don't ask for permission. I ask for forgiveness later."

"Imagination is what separates us from the machines we fight."

"Solitude is where I think best. And where I hurt most."

"Politics is just war by another name."

"Gratitude is acknowledging that you didn't get here alone."

"Creativity is survival. I've gotten creative to survive."

"Patience isn't weakness. It's the patience of the hunter."