“Sometimes people become mean because of horrible experiences. It’s a gradual process that hardens their hearts and minds and forces them to develop a thick skin. In order to survive they must adapt to their harsh surroundings. They in turn… — Astrid Yrigollen Copy Share Image
I thought if I could understand why apes get mean and horrible and aggressive when they grow up, maybe I could understand why people get mean and horrible and aggressive and have wars. — Sue Savage-Rumbaugh Copy Share Image
