Who said "The pursuit of happiness is the surest path to misery."?

This quote is attributed to Grim.

The pursuit of happiness is the surest path to misery. - Grim

"The pursuit of happiness is the surest path to misery."

Grim Happiness

"I'm a creature of pure evil, and I find your optimism... disturbing."

"Foolish boy, your mortal comprehension cannot fathom my dark intentions."

"Death is my business, and business is good."

"Your pitiful existence amuses me."

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."