The public only knows one side of [Mark Mark Twain] - the amusing part. Little does it suspect that he was a man of strong convictions upon political and social questions and a moralist of no mean order.
Andrew CarnegieI shall argue that strong men, conversely, know when to compromise and that all principles can be compromised to serve a greater principle.
Andrew CarnegieA man's reading program should be as carefully planned as his daily diet, for that too is food, without which he cannot grow mentally.
Andrew CarnegieAnd while the law of competition may be sometimes hard for the individual, it is best for the race, because it ensures the survival of the fittest in every department.
Andrew Carnegie