Who said "I have already given you my answer."?

This quote is attributed to Green Goblin.

I have already given you my answer. - Green Goblin

"I have already given you my answer."

Green Goblin

"Out, am I?"

"You know how much you've sacrificed to fight me? Everything! But the cunning warrior survives by admitting what he is."

"The cunning warrior survives by admitting what he is."

"I'm something of a scientist myself."