Who said "Fear is the jailer of potential; courage is the key."?

This quote is attributed to Mark Antony.

Fear is the jailer of potential; courage is the key. - Mark Antony

"Fear is the jailer of potential; courage is the key."

Mark Antony Fear

General Statesman Ancient Rome 83–30

"I came, I saw, I conquered."

"The die is cast."

"Et tu, Brute?"

"Beware the Ides of March."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."