Who said "Persistence is what transforms belief into reality."?

This quote is attributed to Demosthenes.

Persistence is what transforms belief into reality. - Demosthenes

"Persistence is what transforms belief into reality."

Demosthenes Perseverance

Orator Statesman Ancient Greece 384–322

"Nothing is so unbelievable that oratory cannot make it acceptable."

"Small daily improvements are the key to staggering long-term results."

"The man who makes no mistakes does not try new things."

"Courage is the only virtue you cannot fake."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."