Poisons and medicine are oftentimes the same substance given with different intents.
Fortunate indeed, is the man who takes exactly the right measure of himself, and holds a just balance between what he can acquire and what he can use.
Perfect health, like perfect beauty, is a rare thing; and so, it seems, is perfect disease.
Common sense is in medicine the master workman.
Remedies, indeed, are our great analysers of disease.