Who said "Happiness is a fleeting thing, like a mortal's lifespan."?

This quote is attributed to Loki.

Happiness is a fleeting thing, like a mortal's lifespan. - Loki

"Happiness is a fleeting thing, like a mortal's lifespan."

Loki Happiness

"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."

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."