I just finished a two-week series on anger. I found this quote two days too late to include it in the messages. It's from Henri Nouwen's The Way of the Heart, required reading for anyone in ministry.
"Anger in particular seems close to a professional vice in contemporary ministry. Pastors are angry at their leaders for not leading and their followers for not following. They are angry at those who do not come to church for not coming, and angry at those who do come for coming without enthusiasm. They are angry at their families who make them feel guilty, and angry at themselves for not being who they want to be.
"This is not an open, blatant, roaring anger but an anger hidden behind the smooth word, the smiling face, the polite handshake. It is a frozen anger, an anger which settles into a biting resentment and slowly paralyzes a generous heart. If there is anything that makes ministry look grim and dull it is this dark, insidious anger in the servants of Christ."