"Don’t watch the clock; do what it does. Keep going."

— Sam Levenson

"Do not judge me by my success, judge me by how many times I fell down and got back up again."

— Nelson Mandela

"Success is not final, failure is not fatal: It is the courage to continue that counts."

— Winston Churchill

"When you reach the end of your rope, tie a knot in it and hang on."

— Franklin D. Roosevelt

"The harder the conflict, the more glorious the triumph."

— Thomas Paine

"It does not matter how slowly you go as long as you do not stop."

— Confucius

"It's not whether you get knocked down, it's whether you get up."

— Vince Lombardi

"It is not the mountain we conquer, but ourselves."

— Sir Edmund Hillary

"Be not afraid of growing slowly, be afraid only of standing still."

— Chinese Proverb

"The roots of education are bitter, but the fruit is sweet."

— Aristotle

"Don't quit. Suffer now and live the rest of your life as a champion."

— Muhammad Ali

"I am a slow walker, but I never walk back."

— Abraham Lincoln

"It always seems impossible until it's done."

— Nelson Mandela

"All our dreams can come true if we have the courage to pursue them."

— Walt Disney

"The journey of a thousand miles begins with a single step."

— Lao Tzu

"Our greatest glory is not in never falling, but in rising up every time we fall."

— Ralph Waldo Emerson

"I have not failed. I've just found 10,000 ways that won't work."

— Thomas A. Edison

"If you're going through hell, keep going."

— Winston Churchill

"The journey of a thousand miles begins with one step."

— Lao Tzu

"The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will."

— Vince Lombardi

"A professional writer is an amateur who didn't quit."

— Richard Bach

"The best way out is always through."

— Robert Frost

"Ever tried. Ever failed. No matter. Try again. Fail again. Fail better."

— Samuel Beckett

"Fall seven times and stand up eight."

— Japanese Proverb

"Even the darkest night will end and the sun will rise."

— Victor Hugo

"The only time you run out of chances is when you stop taking them."

— Unknown

"If there is no struggle, there is no progress."

— Frederick Douglass

"You will face your greatest opposition when you are closest to your biggest miracle."

— Shannon L. Alder

"If you fell down yesterday, stand up today."

— H.G. Wells

"Courage isn't the roar; it's the small voice that says, 'I'll try again tomorrow.'"

— Mary Anne Radmacher