Scientific authorities are generally agreed that the night
air contains less dust and fewer germs than the atmosphere
during the day time. This is, of course, due to the fact that
greater quietness prevails at night, and the traffic of the
street is practically at a standstill. The still night air is
more wholesome to breathe and is in a purer state than the air
obtained in the daytime.
For the enjoyment of the best spiritual conditions we need frequently
to seek intervals of retreat from the restless distracting world.
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