Luke 4:18. The power of the Holy Spirit is provided to us for a purpose. The Holy Spirit's power is given to us to do good works. Being under the power of the Holy Spirit is a wondrous feeling that empowers us to do great things.
Luke 4:28. One cause of anger is when someone annoys you. All of us come in contact with someone that disturbs or bothers us. If this annoyance continues, many of us will eventually get angry. This in turn will result in us taking some type of action to stop the annoyance.