Here is a hymn based on Psalm 90: O God Our Help in Ages Past
The following sermons are on Psalm 90:12:
Numbering Our Days, by Rev. Stephen Hamilton
Bioethics and the Christian, by Pastor Kevin Boling
One Hundred Years From Now, by Rev. Roger Higginson
Prayer to Learn Holy Mathematics, by Rev. Lawrence J. Bilkes
Moses Asks About the Right Use of Time, by Pastor Carl A. Schouls
