Who said "All you have to do is decide to do it."?

This quote is attributed to Lieutenant Dan.

All you have to do is decide to do it. - Lieutenant Dan

"All you have to do is decide to do it."

Lieutenant Dan Motivation

"Life is like a box of chocolates, you never know what you're gonna get."

"I'm not a smart man, but I know what love is."

"You have to do the best with what God gave you."

"My legs may be gone, but my spirit is not."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."