Who said "I never knew I had this kind of strength inside me."?

This quote is attributed to Marlin.

I never knew I had this kind of strength inside me. - Marlin

"I never knew I had this kind of strength inside me."

Marlin Strength

"I'm sorry, but I can't help you. It's not you, it's me. Well, actually it is you."

"I promised I'd never let anything happen to him."

"He's my son."

"I have to find him. I have to find Nemo."

"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."