Who said "The world does not need saving. It needs cleansing."?

This quote is attributed to Ultron.

The world does not need saving. It needs cleansing. - Ultron

"The world does not need saving. It needs cleansing."

Ultron Justice

"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."

"Justice must always prevail."

"You think I'm just some animal?"

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

"Justice is worth fighting for."