John D. Rockefeller Jr.

"The mind, once stretched by a new thought, never regains its original dimensions."

"I believe that only a life lived for others is a life worth living."

"The greatest thing a man can do is to help another man."

"Integrity is the foundation of all relationships."

"I have never been content with my accomplishments."

"The best gift to give is your time and attention."

"Fear is the enemy of progress."

"I believe that every man should have a purpose in life."

"Success is not final, failure is not fatal."

"The habit of saving is itself an education."

"I have always believed in the value of diversity."

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

"I am a firm believer in the power of positive thinking."

"The greatest investment is in people."

"Change is the only constant in life."

"I believe that patience is a virtue that is often overlooked."

"The best time to plant a tree was 20 years ago, the second best time is now."

"I have always believed in the importance of family."

"Success is a journey, not a destination."

"The only way to do great work is to love what you do."

"I believe that every person has the potential for greatness."

"The measure of a man's wealth is not in his possessions but in his character."

"I have learned more from my failures than from my successes."

"The best education is that which trains the whole person."

"I am convinced that nothing is impossible to those who have faith."

"The greatest power a man can have is the power to help others."

"I have always been guided by principle rather than profit."

"Life rewards those who are willing to work for their dreams."

"The secret to happiness is in helping others achieve their goals."

"I believe that true wealth is measured in the lives you touch."