In our careers, we’ve been talked to a lot about the importance of preserving our network, turning the other cheek, cordiality, being the bigger person, and being fair to those who injure us. These are all important ideas, but all ideas need counterbalance so that they don’t grow malignant. Do not be afraid, when it is justified, to burn bridges that need burning.
There is a lot of truth to this. Don’t hold back from burning a bridge if it is going to help you.