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REPLY TO THE STRICTURES OF 
expounds the said doctrine of Homoeopathy, because, if he 
attaches any other meaning to the word Similar or Similars 
than the one above given, his exposition will be erroneous, 
and, as a matter of course, calculated to mislead those who 
read his remarks, and who may be ignorant of the doctrine 
itself. 
At pp. 6 and 7, of Mr. Dun’s book, the author treats upon 
the manner by which medicines are generally believed to 
act when given for the cure of disease; and after enumerating 
some facts, and a variety of hypotheses, he goes on to say — £ 
First. — <c But about sixty years ago another method of 
cure w as propounded by the German physician Hahnemann-, 
w ho taught that the cure of a disease is effected by the ad- 
ministration, in small doses, of such medicines as would, 
w hen given to a healthy subject in large quantity, induce the 
same disease. This is the doctrine of Homoeopathy (hornoios, 
like or similar ; and pathos, affection), the principles of which 
are enunciated in the aphorism Similia Similibus curantur” 
Now the first fact which will strike the critical observer in 
the above quotation is the error w hich Mr. Dun commits in 
confounding the words similar and same , as having an identi- 
cal meaning : he falls into this error at the very outset of his 
strictures, and he continues to flounder about with it to the 
very end. 
Hahnemann does not say “ that the cure, of a disease is 
effected by the administration, in small doses, of such medi- 
cines as would, when given to a healthy subject in large 
quantity, induce the same disease.” Hahnemann, I repeat, 
does not say this, neither have any of his disciples said so ; 
and I defy Mr. Dun to the proof. If Mr. Dun w r ould clearly 
understand Homoeopathy, he must accept of the exposition 
of the doctrine as it is taught and received by the most en- 
lightened disciples of the system ; he must not favour the 
w’orld with his perverted notions upon it, and then exclaim 
“This is the doctrine of Homoeopathy, the principles of 
which are enunciated in the aphorism Similia Similibus 
curantur” To return, however, — what Hahnemann says is 
this, and I quote from his 4 Organon,’ “ To effect a mild, 
certain , and permanent cure , choose in every case of disease , a 
medicine which can itself produce an affection similar to that 
sought to be cured” 
Surely this is clear, so clear that, to use an old adage, “ he 
w ? horuns may read;” and yet, strange to stay, Mr. Dun does 
not comprehend it, or, at least if he does, I am really at a loss to 
account for the strange manner in wdiich he has perverted it. 
Mr. Dun having thus expounded w hat he conceives Homceo- 
