"Man's greatness lies in his power of thought."
"Your imagination is your preview of life's coming attractions."
"What would life be if we had no courage to attempt anything?"
Vincent van Gogh
"Don't be afraid to challenge the pros, even in their own backyard."
"The pessimist sees difficulty in every opportunity. The optimist sees the opportunity in every difficulty."
"The power of imagination makes us infinite."
"The only limit to our realization of tomorrow will be our doubts of today."
Franklin D. Roosevelt
"Smooth seas do not make skillful sailors"
"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."
"If you don't know where you are going, you'll end up some place else."
"Anyone who has never made a mistake has never tried anything new."
"I like the dreams of the future better than the history of the past."
"Wherever we look upon this earth, the opportunities take shape within the problems."
Nelson A. Rockefeller
"You cannot depend on your eyes when your imagination is out of focus."
"Don't find fault, find a remedy."