we can say that the motto of liberalism is: ‘Live dangerously.’ ‘Live dangerously,’ that is to say, individuals are constantly exposed to danger, or rather, they are conditioned to experience their situation, their life, their present, and their future as containing danger. I think this kind of stimulus of danger will be one of the major implications of liberalism. An entire education and culture of danger appears in the nineteenth century which is very different from those great apocalyptic threats of plague, death, and war which fed the political cosmological imagination of the Middle Ages, and even of the seventeenth century. The horsemen of the Apocalypse disappear and in their place everyday dangers appear, emerge, and spread everywhere, perpetually being brought to life, reactualized, and circulated by what could be called the political culture of danger in the nineteenth century. This political culture of danger has a number of aspects. For example, there is the campaign of savings banks at the start of the nineteenth century; you see the appearance of detective fiction and journalistic interest in crime around the middle of the nineteenth century; there are the campaigns around disease and hygiene; and then think too of what took place with regard to sexuality and the fear of degeneration: degeneration of the individual, the family, the race, and the human species. In short, everywhere you see this stimulation of the fear of danger which is, as it were, the condition, the internal psychological and cultural correlative of liberalism. There is no liberalism without a culture of danger.
Michel Foucault, The Birth of Biopolitics: Lectures at the College de France 1978-1979 pg. 66 (via dw-miller)