Andrew Bonar expresses joy and gratitude in his letter to Miss Macphun, celebrating the successes of her Zenana mission work in India. He emphasizes the importance of rejoicing with those who rejoice and highlights the strength that comes from the joy of the Lord. Bonar encourages prayer for those laboring in the mission field, reminding that the power of the Cross and the atoning blood of Christ are central to drawing souls to salvation. He shares the blessings experienced in their Sabbath school and the necessity of prayer in their ministry efforts.