First make sure that what you aspire to accomplish is worth...

First make sure that what you aspire to accomplish is worth accomplishing, and then throw your whole vitality into it. What's worth doing is worth doing well. And to do anything well, wheter it be typing a letter or drawing up an agreement involving millions, we must give not only our hands to the doing of it, but our brains, our enthusiasm, the best - all that is in us. The task to which you dedicate yourself can never become a drudgery.