Now the pure practical reason lays down only formal laws as principles to regulate the exercise of the will; and therefore abstracts from the matter of the act of will, as regards the other qualities of the object, which is considered only in so far as it is an object of the activity of the will spyware blockers. Now, suppose there were things that by right should absolutely not be in our power, or, in other words, that it would be wrong or inconsistent with the freedom of all, according to universal law, to make use of them scan for spyware. It is therefore an assumption a priori of the practical reason to regard and treat every object within the range of my free exercise of will as objectively a possible mine or thine removing spyware.