All substances are poisonous, there is none which is not a poison; the right dose differentiates a poison from a remedy
 

 

Half the modern drugs could well be thrown out the window, except that the birds might eat them
 

 

I believe that we not only feed the public demand for useless and harmful drugs, but also go far to create that very demand. We educate our patients and their friends to believe that every or almost every symptom and disease can be benefited by a drug JAMA 1906
 

 

and medicines are oftentimes the same substances given with different intents. (1836)
 

 

Medicine hath that virtue, that it never leaveth a man in that state wherein it findeth him; it makes a sick man whole but a whole man sick. (1604)
 

 

When a patient [who] is on a drug–on any drug–becomes ill, the Napoleonic Code rather than the English common law should apply: the drug should be presumed guilty until proved innocent.