Who said "I've seen the worst in people, and the best."?

This quote is attributed to Wanda Maximoff (Age of Ultron).

I've seen the worst in people, and the best. - Wanda Maximoff (Age of Ultron)

"I've seen the worst in people, and the best."

Wanda Maximoff (Age of Ultron)

"I can feel you dying. I can taste the breast milk on your lips."

"You two and your little lives. So desperate to be saved."

"I've been in people's heads. I know how they think, what they want."

"They're all puppets tangled in strings."