There are twelve good reasons for failure. The first one is the avowed intention of doing no more than one is paid to do, and the person who makes this avowal may see the other eleven by stepping before a looking glass.
Napoleon HillEvery person who wins in any undertaking must be willing to cut all sources of retreat. Only by doing so can one be sure of maintaining that state of mind known as a burning desire to win - essential to success.
Napoleon HillUntil you have formed the habit of looking for the good instead of the bad there is in others, you will be neither successful nor happy.
Napoleon Hill