Nothing in this world can take the place of persistence. Talent will not nothing is more common than unsuccessful people with talent. Genius will not unrewarded genius is almost a proverb. Education will not the world is full of educated failures. Persistence and determination alone are omnipotent. – Calvin Coolidge
No nation ever had an army large enough to guarantee it against attack in time of peace, or ensure it of victory in time of war. – Calvin Coolidge