Meaning- Purity of heart in action, especially in regards to dress and speech.
Ways to Cultivate- follow the dress code; recognize your dignity as a person; ask yourself if you are respecting yourself as a child of God. 
Prayer: Dear Jesus, give me a pure heart like that of Your holy Mother! Please increase in me the gift of the fear of the Lord, so that I may never sadden You by the way I dress, act, or speak. 
