How about this one?
“All rational action is in the first place individual action. Only the individual thinks. Only the individual reasons. Only the individual acts.”
― Ludwig von Mises, Socialism: An Economic and Sociological Analysis
OR
“He who is unfit to serve his fellow citizens wants to rule them.”
― Ludwig von Mises, Bureaucracy
OR
“Freedom is indivisible. As soon as one starts to restrict it, one enters upon a decline on which it is difficult to stop.”
― Ludwig von Mises