Jesus says "Judge not!". But what did He really mean when he said that? It's easy for us to sense when someone is doing or saying something that is different from what we think is proper. The questions are:
What are the issues?
Is it worth a response?
Where's my heart? What would be the motivation for my response?
What is my desire for the other person? For the relationship?
Shout out to Ken Sande and his teaching on Relational Wisdom for those wanting more information about preventing and resolving conflict using scriptural principles.
Study notes are here.