William Withering, An Account of the Foxglove and some of its Medical Uses
“ There are gentlemen of the faculty who give verbal directions to poor patients, for the preparing and taking of an infusion or decoction of the green plant. Would one suppose that such gentlemen had ever attended to the nature and operation of a sedative power on the functions, particularly the vital? Is not such a vague and unscientific mode of proceeding putting a two edged sword into the the hands of the ignorant, and the most likely method to damn the reputation of any very active and powerful medicine? ”
