Who said "But you're just a boy playing dress-up."?

This quote is attributed to Green Goblin.

But you're just a boy playing dress-up. - Green Goblin

"But you're just a boy playing dress-up."

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."