Quotes 1 till 3 of 3.
American statesman 1809-18650
Few can be induced to labor exclusively for posterity; and none will do it enthusiastically. Posterity has done nothing for us; and theorize on it as we may, practically we shall do very little for it, unless we are made to think we are at the same time doing something for ourselves.
American author, salesman, and motivational speaker. 1926-20120
This I do know beyond any reasonable doubt. Regardless of what you are doing, if you pump long enough, hard enough and enthusiastically enough, sooner or later the effort will bring forth the reward.
American architect, systems theorist, author, designer, and inventor 1895-19830
While no politician or political system can ever afford to yield understandably and enthusiastically to their adversaries and opposers, all politicians can and will yield enthusiastically to the computers safe flight-controlling capabilities in bringing all of humanity in for a happy landing.Source: Operating Manual for Spaceship Earth (1963)