what allows one to step back from this way of acting or reacting,to present it to oneself as an object of thought and to question it as to its meaning, its conditions, and its goals. Thought is freedom in relation to what one does, the motion by which one detaches oneself from it, establishes it as an object, and reflects on it as a problem.
Foucault, Michel. Essential Works of Michel Foucault, Vol. 1: Ethics: Subjectivity and Truth (ed. P. Rabinow) London: Allen Lane. 2000:117