Religion gives you a sense of certainty. It makes you feel that you have the right answers to really big questions and that you've grasped the truth.
You have kids growing up in some of the worst circumstances financially, living in some of the worst ghettos, and they succeed. They succeed because an adult figure, typically a mother, maybe a grandmother, nourishes the kid, supports the kid, protects the kid, encourages the kid to succeed. It's as if the environment never happened.
The separate water foundations, park benches, bathrooms and restaurants of the Jim Crow South startled me. These experiences motivated my lifelong study of the status of African Americans and the sources of improvement in that status.