Proving Medicines

Organon Aphorism §126

The person who is proving the medicine must be pre-eminently trustworthy and conscientious and during the whole time of the experiment avoid all over-exertion of mind and body, all sorts of dissipation and disturbing passions; he should have no urgent business to distract his attention; he must devote himself to careful self-observation and not be disturbed while so engaged; his body must be in what is for him a good state of health, and he must possess a sufficient amount of intelligence to be able to express and describe his sensations in accurate terms.

Samuel Hahnemann, Organon of Medicine, 6th edition, translated by William Boericke (1922, public domain). Checked word for word against the 1922 printing in October 2026.

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