Who said "The monsters we face are often our own doubts."?

This quote is attributed to Hercules.

The monsters we face are often our own doubts. - Hercules

"The monsters we face are often our own doubts."

Hercules

"I don't care what anybody thinks. I'm a hero."

"A true hero isn't measured by the size of his strength, but by the strength of his heart."

"The more you believe in yourself, the more you can accomplish."

"Everybody's got to start somewhere."