The word ‘freedom’ leads a double life. As a rallying cry in the mouths of politicians and publicists, it features in speech acts which inspire men to brave endeavours. Freedom or death are the proffered alternatives, and they are generally linked with fatiguing dispositions such as vigilance. As a philosophical concept, on the other hand, freedom is a territory in which battles are fought about such issues as positivity and negativity, virtue, determinism and the character of the will. There is remarkably little connection between these two lives. Philosophers do not seem to take much interest in courage, and politicians do not tarry to specify whether it is negative or positive liberty they are talking about.