This book commences: Q. What is a vocation? A. A call from God to some state of life. Q. Which are the principal states of life? A. Matrimony, virginity, the religious state, and the priesthood. Q. Has every person a vocation? A. Yes; God gives a special vocation to each person. Q. How is this doctrine proved? A. St. Paul says: "Every one hath his proper gift from God; one after this manner, and another after that. . . . As the Lord hath distributed to every one, as God hath called every one, so let him walk." *] *] The references are given in the larger catechism entitled "Questions on...