The chapters do not explain everything there is to know about the Catholic faith. They cover the essentials, the basics. The Did You Know? articles give additional information that a well-informed Catholic should be aware of. They provide you with the answers to questions like “Why are the priest’s vestments (special clothing worn during Mass) different colors at different times of the year?” or “How many Catholics are there in the world?” If you familiarize yourself with the Did You Know? articles, you can amaze your family and friends with your knowledge of Catholic facts! The Catholic Church has a long and rich history, and most of us are familiar with only a little piece of it. The Catholic Wisdom articles present the teaching of saints and Church leaders, describe historical events, and explain why certain Church councils were called. Through the Catholic Wisdom articles, you will gain a better appreciation of the wisdom of two thousand years of Church history.