Once you understand political Slavespeak (the language used to establish and maintain master-slave relationships), you become very aware of how those who don't understand Slavespeak can be dominated, subjugated, and controlled by words — essentially enslaved by words. Correspondingly, you become impervious to external control through words. In other words, you enjoy more freedom — you have more options available to you.
"Ideas are more powerful than guns. We would not let our enemies have guns, why should we let them have ideas." -- Joseph Stalin
"Language creates spooks that get into our heads and hypnotize us." -- Robert Anton Wilson, Introduction to The Tree of Lies (by Christopher S. Hyatt. Ph.D.)
"It is hard to fight an enemy who has outposts in your head." -- Sally Kempton
"The most potent weapon in the hands of the oppressor is the mind of the oppressed." -- Steve Biko