In this episode we conclude the Catechism's treatment of the Fourth Commandment. The Catechism explains the appropriateness of the reward attached the commandment (i.e. "that thou mayest be long lived, etc." We also read from the fourth Chapter of the Book of Tobias in which Tobias provides an excellent example of the way that Fathers should behave to their sons. Additionally we read from the Summa Theologica where St Thomas explains how a long life is a suitable reward. ST. IIa IIae 122. a. 4 ad. 4