Now, as diseases are nothing more than alterations in the state of health of the healthy individual which express themselves by morbid signs, and the cure is also only possible by a change to the healthy condition of the state of health of the diseased individual, it is very evident that medicines could never cure disease if they did not possess the power of altering man's state of health which depends on sensations and functions; indeed, that their curative power must be owing solely to this power they possess of altering man's state of health.

Now, as diseases are nothing more than alterations in the state of health of the healthy individual which express themselves by morbid signs, and the cure is also only possible by a change to the healthy condition of the state of health of the diseased individual, it is very evident that medicines could never cure disease if they did not possess the power of altering man's state of health which depends on sensations and functions; indeed, that their curative power must be owing solely to this power they possess of altering man's state of health.