Every man gravitates to where he belongs in life, just as surely as water seeks and finds its level. His position is measured precisely by the quality and quantity of the service he renders, plus the mental attitude with which he relates himself to other people.
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 CarnegieHere is the prime condition of success: Concentrate your energy, thought and capital exclusively upon the business in which you are engaged. Having begun on one line, resolve to fight it out on that line, to lead in it, adopt every improvement, have the best machinery, and know the most about it.
Andrew Carnegie