christian ethics | samuel wells quotation

"At the end of his Gospel, John describes how Peter looks at the beloved disciple and seeks from Jesus some promise or prediction of what the future may hold. Jesus's answer is brusque. "What is that to you? Follow me!" (John 21.22). So begins the journey of Christian ethics. Jesus's statement recognized that there are mysteries, wonders, problems, and troubles that the disciples—even Peter—will not be able to resolve,at least not with a simple, verbal explanation. The statement asserts that there is, nonetheless, a valid way forward, despite the lack of a comprehensive solution."

I'm reading The Blackwell Companion to Christian Ethics edited by Stanley Hauerwas and Samuel Wells.

This rings true not only theologically, but experientially. A valid way forward without knowing which way that is...