You're talking about a younger generation, Generation Y, whose interpersonal communication skills are different from Generation X. The younger generation is more comfortable saying something through a digital mechanism than even face to face.
— Erik Qualman

A cardinal principle of Total Quality escapes too many managers: you cannot continuously improve interdependent systems and processes until you progressively perfect interdependent, interpersonal relationships.
Stephen Covey interpersonal quote

Authority is not a quality one person "has," in the sense that he has property or physical qualities. Authority refers to an interpersonal relation in which one person looks upon another as somebody superior to him.
— Erich Fromm

I'm more interested in interpersonal relationships - between lovers families, siblings. That's why I write about how we treat each other.
— Terry McMillan

Now interpersonal politics... that's what it's all about.
— interpersonal quotation by Max Cannon