We’ve also evolved the ability to simply ‘pay it forward’: I help you, somebody else will help me. I remember hearing a parable when I was younger, about a father who lifts his young son...

There is no life after death, so offer kindness to all, not in the next life but now.

This is not a book about whether one can be good without God, because that question does not need to be answered –it needs to be rejected outright. To suggest that one can’t be good...