Outside the Camp
If we find ourselves currently comfortable, we should ask ourselves why we are not in any sense "outside the camp".
Category Doctrine
On Servile Work
The Church still teaches that we are to avoid doing servile work on Sundays. Just what is "servile work"?
The Catechetical Instructions of St. Thomas Aquinas
An English translation of a great catechism written by St. Thomas Aquinas. Short, but packed with explanations.