Never say die. – Proverb

The darkest hour is just before the dawn. – Proverb

No one ever attains very eminent success by simply doing what is required of him; it is the amount and excellence of what is over and above the required, that determines the greatness of ultimate distinction. – Charles Francis Adams

The difference between perseverance and obstinacy is, that one often comes from a strong will, and the other from a strong wont. – Henry Ward Beecher