"The significance of a man is not in what he attains but in what he longs to attain."
"I like the dreams of the future better than the history of the past."
"You cannot plough a field by turning it over in your mind."
"In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual."
"Man's greatness lies in his power of thought."
"Anyone who has never made a mistake has never tried anything new."
"The ability to convert ideas to things is the secret to outward success."
Henry Ward Beecher
"The only limit to our realization of tomorrow will be our doubts of today."
Franklin D. Roosevelt
"Your imagination is your preview of life's coming attractions."
"Learning never exhausts the mind."
Leonardo da Vinci
"Do not pray for an easy life, pray for the strength to endure a difficult one."
"For hope is but the dream of those that wake."
"The person who says it cannot be done, should not interrupt the person doing it"
"Courage is doing what you're afraid to do. There can be no courage unless you're scared."
"The wisest men follow their own direction."