An early movie version of Victor Herbert's romantic operetta

Naughty Marietta has the young and dashing Nelson Eddy sing to an enraptured Jeanette MacDonald:

Ah, Sweet Mystery of Life, at last I've found you.
Ah, at last I've found the secret of it all
... Yes, 'tis love and love alone
The world is seeking....

This charming song expresses what the Christian has known to be true all along. It is love -- and love alone -- that unlocks the mysteries of life. Not the transient and sometimes trashy love of the modern novel but the eternal love of the Advent Christ who wrote the real meaning of love, not in words but in the greatest of deeds, the giving of himself on a cross in order to secure humankind's profoundest need -- the need for forgiveness. 

At the conclusion of this epistle to the…