It is far more important to know what person the disease has than what disease the person has.

The disease is produced by influences which act similar to the healing process and the disease condition is removed through remedies which produce similar symptoms to the disease.

By similar things a disease is produced and through the application of the like it is cured.

Medicine can only cure curable disease, and then not always

“Ars longa, vita brevis." (Life is short, the art long.)

The physician must be able to tell the antecedents, know the present, and foretell the future — must mediate these things, and have two special objects in view with regard to disease, namely, to do good or to do no harm.