This book is not very practically useful, as it is an expository text on the liberal arts, like a college textbook.
People who are unable to build good relationships because they cannot communicate well with other human beings, either at work or in their daily lives, tend to blame others.
In reality, however, it is due to the person's poor communication skills.
A person who lacks communication skills cannot read books for a long time or think deeply about things.
It's best to try changing the way you approach others.