"In order to succeed, we must first believe that we can."

— Nikos Kazantzakis

"The sky is not the limit. Your mind is."

— Marilyn Monroe

"To accomplish great things, we must not only act, but also dream; not only plan, but also believe."

— Anatole France

"Whether you think you can or you think you can't, you're right."

— Henry Ford

"Believe you can and you're halfway there."

— Theodore Roosevelt

"Those who don't believe in magic will never find it."

— Roald Dahl

"Whatever the mind of man can conceive and believe, it can achieve."

— Napoleon Hill

"If you can dream it, you can achieve it."

— Zig Ziglar

"The future belongs to those who believe in the beauty of their dreams."

— Eleanor Roosevelt

"People who are crazy enough to think they can change the world are the ones who do."

— Rob Siltanen

"In spite of everything I still believe that people are really good at heart."

— Anne Frank

"The only limit to our realization of tomorrow is our doubts of today."

— Franklin D. Roosevelt

"Treat people as if they were what they ought to be, and you help them become what they are capable of being."

— Johann Wolfgang von Goethe

"Never interrupt someone doing what you said couldn't be done."

— Amelia Earhart

"The only way to achieve the impossible is to believe it is possible."

— Charles Kingsleigh (Alice in Wonderland)