Strive to have diversity in your network. Make sure that you are exposed to ethnic, age, political, regional, religious, orientation, career level, gender, nationality, and opinion diversity. Surrounding yourself with people too much like you is one dimensional. Go deeper.
Cherish the differences and learn from each other.
But do not tolerate diversity when it comes to character. Keep the people with good character in your life and reject those who do not have cherish doing the right things. Those who will lie, cheat, steal and speak ill of others will always harm you in the end.
Have A Great Day.