The document discusses the feast of the Ascension of Jesus Christ. It provides background on the Ascension and explains that Jesus became Lord of all creation after being raised above earthly powers. The readings describe Jesus ascending to heaven and promising to send the Holy Spirit. The Gospel passage recounts Jesus commissioning the disciples to make disciples of all nations and promising to remain with them always. The prayer of the faithful asks for God's guidance and strength for Christians to keep their hearts fixed on heaven.