"Live your beliefs and you can turn the world around." -- Henry David Thoreau  

"If you don't think you can do it, who will? You control the most important tool in success, your mind." -- Jeffrey Gitomer  

"Somehow I can't believe that there are any heights that can't be scaled by a man who knows the secrets of making dreams come true.  This special secret - curiosity, confidence, courage, and constancy, and the greatest of all is confidence.  When you believe in a thing, believe in it all the way, implicitly and unquestionable." -- Walt Disney

"The most important thing about a man is what he believes in the depth of his being.  This is the thing that makes him what he is, the thing that organizes him and feeds him; the thing that keeps him going in the face of untoward circumstances; the thing that gives him resistance and drive." -- Hugh Stevenson Tigner  

"He can who thinks he can, and he can't who thinks he can't.  This is an inexorable, indisputable law." -- Henry Ford  

"If you think a certain thought long enough and hard enough, it becomes a fixed belief and you will find yourself behaving on the outside in a manner consistent with it." -– Brian Tracy  

"Believe that you have a destiny to be great." -– Mark Victor Hansen

"Your heart is the power core of all your success...no matter what you are desiring, if your heart isn't in it...then you will be without it." -– Doug Firebaugh  

"Believe and act as if it were impossible to fail." -- Charles F. Kettering  

"The only thing that stands between a man and what he wants from life is often merely the will to try it and the faith to believe that it is possible." -- Richard M. DeVos  

"When you absolutely believe in yourself and your ability to succeed, nothing will stop you." -- Brian Tracy  

"Success is not what you think it is...it is what you believe it is...and most never believe..." -– Doug Firebaugh  

"One person with a belief is equal to a force of ninety-nine with only interests." -- John Stuart Mill  

"They can conquer who believe they can." -- John Dryden  

"If you believe in your company. If you believe in your product. If you believe in yourself. Then you can march to success." -- Jeffrey Gitomer  

"If you believe you can, you probably can. If you believe you won't, you most assuredly won't. Belief is the ignition switch that gets you off the launching pad." -- Denis Waitley

"If you believe in what you are doing, then let nothing hold you up in your work. Much of the best work of the world has been done against seeming impossibilities. The thing is to get the work done." -- Dale Carnegie  

"The greatest and noblest pleasure which we have in this world is to discover new truths, and the next is to shake off old prejudices." -- Frederick II, the Great  

"An affirmation is simply a positive declaration of something you believe to be true or something you expect to become true and desire to live by. Affirmations transform your thinking, your attitudes, and finally, your behavior.  Their impact on attitudes and behavior help to produce the results you desire." -- Paul J Meyer  

"Whatever you believe with emotion becomes reality.  You always act in a manner consistent with your innermost beliefs and convictions." -- Brian Tracy