Who said "I'm the only one who understands true power."?

This quote is attributed to Green Goblin.

I'm the only one who understands true power. - Green Goblin

"I'm the only one who understands true power."

Green Goblin Strength

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."