The due observance of [the Christian Sabbath] . . . is a wholesome school of discipline, a means of grace for the people, a safeguard of public morality and religion, a bulwark against infidelity, and a source of immeasurable blessing to the church, the state, and the family. Next to the Church and the Bible, the Lord’s Day is the chief pillar of Christian Society.”
Philip Schaff, History of the Christian Church , vol. 1 (Eerdmans, 1962, originally published 1858), 479.