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III. CURRENTS AND COUNTER-CURRENTS IN MEDICAL SCIENCE

IV. BORDER LINES OF KNOWLEDGE IN SOME PROVINCES OF MEDICAL SCIENCE

V. SCHOLASTIC AND BEDSIDE TEACHING

VI. THE MEDICAL PROFESSION IN MASSACHUSETTS

VII. THE YOUNG PRACTITIONER

VIII. MEDICAL LIBRARIES

IX. SOME OF MY EARLY TEACHERS

PREFACE.

The character of the opposition which some of these papers have met with
suggests the inference that they contain really important, but unwelcome
truths. Negatives multiplied into each other change their sign and
become positives. Hostile criticisms meeting together are often
equivalent to praise, and the square of fault-finding turns out to be the
same thing as eulogy.

But a writer has rarely so many enemies as it pleases him to believe.
Self-love leads us to overrate the numbers of our negative constituency.
The larger portion of my limited circle of readers must be quite
indifferent to, if not ignorant of, the adverse opinions which have been
expressed or recorded concerning any of these Addresses or Essays now
submitted to their own judgment. It is proper, however, to inform them,
that some of the positions maintained in these pages have been
unsparingly attacked, with various degrees of ability, scholarship, and
good-breeding. The tone of criticism naturally changes with local
conditions in different parts of a country extended like our own, so that
it is one of the most convenient gauges of the partial movements in the
direction of civilization. It is satisfactory to add, that the views
assailed have also been unflinchingly defended by unsought champions,
among the ablest of whom it is pleasant to mention, at this moment of
political alienation, the Editor of the Charleston Medical Journal.

"Currents and Counter-Currents" was written and delivered as an Oration,
a florid rhetorical composition, expressly intended to secure the
attention of an audience not easy to hold as listeners. It succeeded in
doing this, and also in being as curiously misunderstood and
misrepresented as if it had been a political harangue. This gave it more
local notoriety than it might otherwise have attained, so that, as I
learn, one ingenious person made use of its title as an advertisement to
a production of his own.

The commonest mode of misrepresentation was this: qualified propositions,
the whole meaning of which depended on the qualifications, were stripped
of these and taken as absolute. Thus, the attempt t