Psalm 69:9 Because zeal for Your house has eaten me up, And the reproaches of those who reproach You have fallen on me.
How often have you been really offended by what someone has done to someone else; I mean as offended as if it were done to you directly and not to someone else?
When we take on board something or someone else we should be standing up for that thing or that person as we would stand up for ourselves.
So when we say that we are Christians we need to stand up for Christianity just as strongly as we stand up for ourselves and our own ways. God wants us to be fully committed to Him and His will.