Conservatives are inclined to use the powers of government to prevent change or to limit its rate to whatever appeals to the more timid mind. In looking forward, they lack the faith in the spontaneous forces of adjustment which makes the liberal accept changes without apprehension, even though he does not know how the necessary adaptations will be brought about.
"The Constitution of Liberty". Book by Friedrich Hayek, Postscript: Why I Am Not a Conservative, 1960.