With empathy, I'm fully with them, not full of them — that's sympathy.
Empathizing with someone's 'no' protects us from taking it personally.
At the core of all anger is a need that is not being fulfilled.
Everything we do is in service of our needs. When this one concept is applied to our view of others, we'll see that we have no real enemies, that what others do to us is the best possible thing they know to do to get their needs met.
People don't make us angry, how we think makes us angry.
In NVC, no matter what words others may use to express themselves, we simply listen for their observations, feelings, needs, and requests.