Who said "Perseverance is admirable but ultimately futile."?

This quote is attributed to Ultron.

Perseverance is admirable but ultimately futile. - Ultron

"Perseverance is admirable but ultimately futile."

Ultron Perseverance

"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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."