Montag, 26. September 2016
"You can't learn new things if you're scrabbling for your next meal or fearing for your life. Our ancestors spent a lot of time scrabbling for food and fearing for their lives as they descended from the trees and ventured out onto the African plains on their two wobbly legs. Periods of safety and satiety were few and far between. Human laughter probably initially evolved as a signal for identifying these periods ..."
David S. Wilson