Who said "I've taught many lessons. All were eventually forgotten."?

This quote is attributed to Grim.

I've taught many lessons. All were eventually forgotten. - Grim

"I've taught many lessons. All were eventually forgotten."

Grim Wisdom

"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."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."