Who said "The madness has taken hold."?

This quote is attributed to Loki.

The madness has taken hold. - Loki

"The madness has taken hold."

Loki

"I am burdened with glorious purpose."

"The humans think us immortal. How amusing."

"Kneel before me. I am a god; you are not."

"I have grown tired of a world of men who would not be ruled."