Unless a person knows how to give order to her thoughts, attention will be attracted to whatever is most problematic at the moment.
Some individuals have developed such strong internal standards that they no longer need the opinion of others to judge whether they have performed a task well or not. The ability to give objective feedback to oneself is in fact the mark of the expert.
If a leader demonstrates that his purpose is noble, that the work will enable people to connect with something large - more permanent than their material existence - people will give the best of themselves to the enterprise