Who said "There's more to you than you understand."?

This quote is attributed to Steve Trevor.

There's more to you than you understand. - Steve Trevor

"There's more to you than you understand."

Steve Trevor

"I can save today. You can save the world."

"It's what you believe that makes you who you are."

"I've learned that not everyone deserves the truth."

"The only thing that stops a bad guy with a gun is a good guy with a gun."