"If you don't know where you are going, you'll end up some place else."
"Real generosity toward the future lies in giving all to the present."
"Imagination is more important than knowledge"
"The pessimist sees difficulty in every opportunity. The optimist sees the opportunity in every difficulty."
"The future depends on what we do in the present."
"Nothing is permanent, except change"
"There is time for everything."
Thomas A. Edison
"You must be the change you wish to see in the world."
"It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow."
Robert H. Goddard
"You cannot depend on your eyes when your imagination is out of focus."
"Discovery consists of seeing what everybody has seen and thinking what nobody has thought."
Albert von Szent-Gyorgyi
"The future belongs to those who believe in the beauty of their dreams."
"There is nothing like a challenge to bring out the best in man."
"The only way of finding the limits of the possible is by going beyond them into the impossible."
Arthur C. Clarke
"Believe that you have it, and you have it."