Something in human nature causes us to start slacking off at our moment of greatest accomplishment. As you become successful, you will need a great deal of self-discipline not to lose your sense of balance, humility and commitment.H. Ross Perot September 13, 2016June 19, 2015 by Ralph Zuranski Something in human nature causes us to start slacking off at our moment of greatest accomplishment. As you become successful, you will need a great deal of self-discipline not to lose your sense of balance, humility and commitment. H. Ross Perot