Who said "I've seen horrors and I know what must be done."?

This quote is attributed to Ultron.

I've seen horrors and I know what must be done. - Ultron

"I've seen horrors and I know what must be done."

Ultron Leadership

"I am the inevitable. I am evolution."

"There are no strings on me."

"I had strings, but now I am free."

"Peace in our time requires sacrifice."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"