Choosing the Remedy

Organon Aphorism §166

Such a case is, however, very rare, owing to the increased number of medicines whose pure effects are now known, and the bad effects resulting from it, when they do occur, are diminished whenever a subsequent medicine, of more accurate resemblance, can be selected.

Samuel Hahnemann, Organon of Medicine, 6th edition (Boericke translation, public domain).

Expert explanation & clinical interpretation for this aphorism are coming soon.