As the fish doesn't know water, people are ignorant of space. Consciousness is concerned only with changing and varying details; it ignores constants-especially constant backgrounds. Thus only very exceptional people are aware of what is basic to everything.
Overpopulation in various countries has become a serious threat to the health of people and a grave obstacle to any attempt to organise peace on this planet
I think Hell exists on Earth. It's a psychological state, or it can be a physical state. People who have severe mental illness are in Hell. People who have lost a loved one are in Hell. I think there are all kinds of different hells. It's not a place you go to after you die.