Who said "I can't do this alone."?

This quote is attributed to Hiro Hamada.

I can't do this alone. - Hiro Hamada

"I can't do this alone."

Hiro Hamada Courage

"On a scale of one to ten, how are you doing?"

"We're going to turn you into a fighting machine."

"I got this."

"We have to help Tadashi."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."