Quotes About Indoor living

Living indoors without fresh air quickly poisons the blood and makes people feel tired and seedy when they don't know why. For myself, I sleep out of doors in winter as well as summer. I only feel tired or seedy when I have been indoors a lot. I only catch cold when I sleep in a room.

When we became sedentary, lived indoors, and started to raise livestock, we began to see wolves not as occasional fur-bearers or fellow hunters but as robbers.