Probably the greatest single obstacle to the progress and happiness of the American people lies in the willingness of so many men to invest their time and money in multiplying competitive industries instead of opening up new fields, and putting their money into lines of industry and development that are needed.
John D. RockefellerI think it is a man's duty to make all the money he can, keep all that he can and give away all that he can.
John D. Rockefeller