Part — Slater, Manual of Moral Theology
Part II. The Second Commandment
1.
The Second Commandment of the Decalogue is, “‘ Thou shalt not take the name of the Lord thy God in vain.”1 It prohibits all irreverent use of the name of God, blasphemy, unlawful oaths, and violation of vows. Inasmuch as it is virtually positive, it commands us always to speak of God with reverence and respect,
1 Exod. xx 7.
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