I 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. RockefellerOften-times the most difficult competition comes, not from the strong, the intelligent, the conservative competitor, but from the man who is holding on by the eyelids and is ignorant of his costs, and anyway he's got to keep running or bust!
John D. RockefellerThe day of combination is here to stay. Individualism has gone, never to return.
John D. Rockefeller