er departments, can
rescue from lamentable folly those who, without something of the
requisite preparation, undertake to experiment with nostrums upon
themselves and their neighbors. The exalted character of Berkeley is
thus drawn by Sir James Mackintosh: Ancient learning, exact science,
polished society, modern literature, and the fine arts, contributed to
adorn and enrich the mind of this accomplished man. All his
contemporaries agreed with the satirist in ascribing
"'To Berkeley every virtue under heaven.'
"Even the discerning, fastidious, and turbulent Atterbury said, after an
interview with him, 'So much understanding, so much knowledge, so much
innocence, and such humility, I did not think had been the portion of any
but angels, till I saw this gentleman.'"
But among the writings of this great and good man is an Essay of the most
curious character, illustrating his weakness upon the point in question,
and entitled, "Siris, a Chain of Philosophical Reflections and Inquiries
concerning the Virtues of TAR WATER, and divers other Subjects,"--an
essay which begins with a recipe for his favorite fluid, and slides by
gentle gradations into an examination of the sublimest doctrines of
Plato. To show how far a man of honesty and benevolence, and with a mind
of singular acuteness and depth, may be run away with by a favorite
notion on a subject which his habits and education do not fit him to
investigate, I shall give a short account of this Essay, merely stating
that as all the supposed virtues of Tar Water, made public in successive
editions of his treatise by so illustrious an author, have not saved it
from neglect and disgrace, it may be fairly assumed that they were mainly
imaginary.
The bishop, as is usual in such cases, speaks of himself as indispensably
obliged, by the duty he owes to mankind, to make his experience public.
Now this was by no means evident, nor does it follow in general, that
because a man has formed a favorable opinion of a person or a thing he
has not the proper means of thoroughly understanding, he shall be bound
to print it, and thus give currency to his impressions, which may be
erroneous, and therefore injurious. He would have done much better to
have laid his impressions before some experienced physicians and
surgeons, such as Dr. Mead and Mr. Cheselden, to have asked them to try
his experiment over again, and have been guided by their answers. But
the good bishop got excited; he p
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