Who you Know and Who you blow

A very high amount of the time successful and great people got where they are from people they knew or people they blew(brown-nosing). Who are you more likely going to hire if someone you know recommend his friend or someone else that has just as good as a resume as the other person. It is why you should be friends with everyone. Who knows who they know or where they will get in life. They can open doors for you or close them shut.