Does this allude to the periodical rains?
As a transparency on some night of public rejoicing, seen by common day,
with the lamps from within removed—even such would the Psalms be to me
uninterpreted by the Gospel. O honoured Mr. Hurwitz! Could I but make
you feel what grandeur, what magnificence, what an everlasting
significance and import Christianity gives to every fact of your national
history—to every page of your sacred records!