The subject of this section reveals a crucial secret of your life. You should read it very attentively for it concerns a subject that is liable to make fundamental changes in your outlook on the material world.
The content of this section is not just a different approach or philosophical thought. It is a FACT which is also proven by science today.
Your brain is a locked room which you can never step out of, because everything you imagine to be the "outside world" in reality consists of perceptions you experience in the visual or hearing centers of your brain.