Black Widow (Age of Ultron)

"I've seen the worst in people. But I've also seen the best."

"Sometimes the bravest thing you can do is ask for help."

"You don't win by being the strongest. You win by being the smartest."

"I know what it's like to have no control over your own life."

"Family isn't just blood. It's the people you choose to stand with."

"I've been running my whole life. Maybe it's time to stop."

"You can't outrun your past. You can only learn from it."

"I'm good at disappearing. I'm better at reappearing."

"Power without purpose is just violence."

"I've died before. I didn't like it."

"The only thing we can control is our choices."

"I don't believe in luck. I believe in preparation."

"You have to be willing to lose everything to gain anything."

"I've learned that patience is the greatest weapon."

"Being ruthless isn't the same as being strong."

"I know what it means to be a weapon. I'm learning what it means to be human."

"You can't save everyone. You can only save yourself."

"Trust is earned, not given."

"I've seen empires rise and fall. Nothing is forever."

"You learn more from your failures than your successes."

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

"The past made me who I am. But it doesn't define my future."

"Kindness is a weakness only if you let it be."

"I know how to fight. I'm learning how to live."

"Beauty can be a weapon if you know how to use it."

"Fear keeps you sharp. Too much fear paralyzes you."

"I've built walls around myself. Sometimes I wonder what's outside them."

"You can't change the past, but you can change how it affects you."

"I'm good at what I do because I had to be."

"Every choice has consequences. You have to be willing to live with them."