If you are an irresponsible or argumentative worker who cannot accept instructions from others, you are destined to remain at the bottom of the workforce. Before you can ever hope to manage other people, you must learn to manage yourself and your relationships with others effectively, particularly with those in higher positions in the organization. Unless you can learn how to manage your relationship with your own boss or bosses, you will never be able to manage a relation with your subordinates.
– Napoleon Hill