I also maintain that clear knowledge of natural science must be acquired, in the first instance, through mastery of medicine alone.
Natural forces within us are the true healers of disease.
Extreme remedies are very appropriate for extreme diseases.
War is the only proper school of the surgeon.
Life is short, art long, opportunity fleeting, experiment uncertain, and judgment difficult.
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.