The document provides a liturgical guide for the Solemnity of the Lord's Ascension, focusing on Acts 1:1-11, which recounts Jesus' ascension and promises of the Holy Spirit to the apostles. It also includes reflections on the significance of the ascension, the role of the apostles as witnesses, and the importance of recognizing God's active kingship in the world. Additionally, it highlights readings from Ephesians and Psalms, emphasizing the need for wisdom and understanding in the Christian faith.