Who said "I exist to protect people. That's my purpose."?

This quote is attributed to Superman (DCEU).

I exist to protect people. That's my purpose. - Superman (DCEU)

"I exist to protect people. That's my purpose."

Superman (DCEU) Truth

"I can't just ignore what's happening in the world. I have to act."

"You say that like it's a bad thing. Like hope is weakness."

"I grew up in Kansas. I have values."

"Some people can read Plutarch and Aristotle in the original Greek at age seven. Now he's doing algebra."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."