"Our greatest glory is not in never falling but in rising every time we fall."
Confucius
"Failure comes only when we forget our ideals and objectives and principles."
Jawaharlal Nehru
"Courage is doing what you're afraid to do. There can be no courage unless you're scared."
Eddie Rickenbacker
"There is nothing like a challenge to bring out the best in man."
Sean Connery
"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
"Life is a challenge, meet it"
Mother Theresa
"In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual."
Galileo Galilei
"Don't be afraid to challenge the pros, even in their own backyard."
Colin Powell
"The power of imagination makes us infinite."
John Muir
"Nothing great was ever achieved without enthusiasm."
Ralph Waldo Emerson
"The only way of finding the limits of the possible is by going beyond them into the impossible."
Arthur C. Clarke
"Man's greatness lies in his power of thought."
Blaise Pascal
"Anyone who has never made a mistake has never tried anything new."
Albert Einstein
"Wherever we look upon this earth, the opportunities take shape within the problems."
Nelson A. Rockefeller
"If there is no wind, row."
Latin Proverb