Who said "Strength is not measured in muscle, but conviction."?

This quote is attributed to Harvey Dent.

Strength is not measured in muscle, but conviction. - Harvey Dent

"Strength is not measured in muscle, but conviction."

Harvey Dent Strength

"The night is darkest just before the dawn."

"I believe in Harvey Dent."

"You either die a hero or live long enough to see yourself become the villain."

"Fairness is the foundation of justice."

"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."