Some turn the wheel of electricity; some suspend
rings to a load-stone, and find that what they did yesterday they can do
again to-day. Some register the changes of the wind, and die fully
convinced that the wind is changeable.
There are men yet more profound, who have heard that two colourless
liquors may produce a colour by union, and that two cold bodies will
grow hot if they are mingled; they mingle them, and produce the effect
expected, say it is strange, and mingle them again.
The Idlers that sport only with inanimate nature may claim some
indulgence; if they are useless, they are still innocent: but there are
others, whom I know not how to mention without more emotion than my love
of quiet willingly admits. Among the inferior professors of medical
knowledge, is a race of wretches, whose lives are only varied by
varieties of cruelty; whose favourite amusement is to nail dogs to
tables and open them alive; to try how long life may be continued in
various degrees of mutilation, or with the excision or laceration of the
vital parts; to examine whether burning irons are felt more acutely by
the bone or tendon; and whether the more lasting agonies are produced by
poison forced into the mouth, or injected into the veins.
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