The correct answer to this open question is the following.
Although there is no context or further reference provided, we can comment on the following general terms.
Yes, it is important to understand the diversity between personalities. Why? Because we live in a very diverse world where people have many backgrounds and personalities. These people are part of our daily lives in the school, in the office, and in every aspect of society.
It is important to reconcile them because they deserve as much respect, the same way we demand respect for our belief systems.
The fact that there are other people with different customs, culture, history, and traditions, don't make them our enemies. It is just a matter of respect and tolerance to live in harmony.