People listen only to that which they want to listen to; otherwise they fall asleep. At least they can think of a thousand other things, and that too is a kind of sleep because they are no longer listening.
I have to be hard! I have to be as hard as possible because your sleep is deep and it has to be shattered. I have to hit your head with a hammer, otherwise you are not going to wake up. For centuries you have been asleep; sleep has become your nature. You have forgotten what awareness is, what to be awake means.