Who said "I know the cost. It's a small price for salvation."?

This quote is attributed to Thanos.

I know the cost. It's a small price for salvation. - Thanos

"I know the cost. It's a small price for salvation."

Thanos Philosophy

"I am inevitable."

"The hardest choices require the strongest wills."

"Perfectly balanced, as all things should be."

"You should have aimed for the head."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."