Cooperation must start at the head of a department if it is expected at the other end. The same is true for efficiency.
In most large organizations, the amount of time and energy that is squandered in interdepartmental rivalry is enormous. Managers who compete with others inside the company waste valuable resources that should be directed at fulfilling the company’s mission to serve its customers better. Worse, a negative, internal focus can cause the company to miss opportunities, the full effect of which may not be realized for months or even years. Whether you are the head of the department or the newest worker on the staff, you can help your company immeasurably by refusing to become embroiled in internal strife. Compete with yourself to do the best job you can do instead of competing with others.
Your own mental attitude is your real boss.
While your time and your labor may be subject to the demands of your employer and others, your mind is the one thing that cannot be controlled by anyone but you. The thoughts you think, your attitude toward your job, and what you are willing to give in exchange for the compensation you are paid are entirely up to you. It is up to you to determine whether you will be a slave to a negative attitude or the master of a positive one. Your attitude, your only master in life, is entirely within your control. When you control your attitude toward events, you control the eventual implication of those events.
Politeness usually begins at home or it doesn’t begin at all.
Politeness to others is usually born out of respect for the individual, which you learn as a child. When you are treated with respect by other members of the family, you learn to respect them as well. The self-esteem that results from being recognized as a unique person by the people who matter most to you helps you develop the confidence necessary to succeed later in life. Politeness and consideration for others are habits that — once developed — usually stay with you for a lifetime. While common courtesy may seem relatively insignificant in the grand scheme of things, it is a reflection of more basic values. More important, if you develop the habit of respecting others, you are likely to command respect from them.