Your potential is the possible you. Very few of us focus our energy enough to discover the outer edge of our capabilities. You are much more than you know yourself to be.
Here are a variety of movie quotes about human potential.
"Sometimes people need to step outside of who they are to realize who they could really be."
"You have the power. It is in you."
"One cannot deny what one is meant to be."
"Even if you're different, you can still do great things."
"You are stronger than you believe. You have greater power than you know."
"We never lose our demons, Mordo. We only learn to live above them."
"Accepting whatever comes my way, good bad, it doesn't matter. What matters is just getting in that groove."
"To find that what you seek, all you must do is look deep."
"A gift can often be a curse. Give someone wings and they may fly too close to the sun."
"You should find your one thing and be better at it."