Animals have these advantages over man: they never hear the clock strike, they die without any idea of death, they have no theologians to instruct them, their last moments are not disturbed by unwelcome and unpleasant ceremonies, their funerals cost them nothing, and no one starts lawsuits over their wills.
VoltaireDoctors put drugs of which they know little into bodies of which they know less for diseases of which they know nothing at all.
Voltaire