The audio for last Sunday’s sermon on the Third Commandment is now posted at this link. Here is the G. Campbell Morgan quote read near the end of the sermon, from The Ten Commandments (Fleming H. Revell, 1901), p. 41-43.

The last and most subtle form of breaking the third commandment is committed by the man who says, “Lord, Lord,” and does not the things that the Lord says. Prayer without practice is blasphemy; praise without adoration violates the third commandment; giving without disinterestedness robs the benevolence of God of its lustre and beauty. Let these thoughts be stated in other words. The profanity of the church is infinitely worse than the profanity of the street; the blasphemy of the sanctuary is a far more insidious form of evil than the blasphemy of the slum. Is there a blasphemy of the church and the sanctuary? The prayer that is denied by the life, the praise offered to God which is counteracted by rebellion against Him when the hour of that praise has passed away, that is blasphemy, that is taking the name of God in vain. If a man passes into the sanctuary and preaches and prays and praises with eloquent lips and beautiful sentences and devotional attitude, even with tears, and goes home to break the least of these commandments, that man blasphemes when he prays; but if he deceives the world, he never deceives God!  . . . The form in which this third commandment is broken most completely, most awfully, most terribly, is by perpetually making use of the name of the Lord, while the life does not square with the profession that is made. . . . Unless the last name, the name of Jesus, gathering into itself all human beauty and all Divine attributes – unless, as it is used, it is the keynote of the soul, the talisman of deliverance from evil – then had the name better never be mentioned, for so it is taken in vanity. May it be to all more than that.

Note that this book is now available in its entirety online at Google Books.