Who said "We must protect those who cannot protect themselves."?

This quote is attributed to Thor (Age of Ultron).

We must protect those who cannot protect themselves. - Thor (Age of Ultron)

"We must protect those who cannot protect themselves."

Thor (Age of Ultron) Justice

"I am mighty, but I am not all-powerful. This is a lesson I continue to learn."

"A warrior's strength comes not just from muscles, but from the heart that drives them."

"We are stronger together than we could ever be apart."

"The best of us must sometimes make the hardest choices."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."